Guides

295 entries

• 1/2-13 Bolt Specs: Tap Drill, Dimensions + Torque - 1/2-13 bolt: 0.500" major diameter, tap drill 27/64" (0.4219"), clearance 33/64", 3/4" wrench, typical Grade 5/8 torque 75/110 ft-lb. Full UNC/UNF cha
• 1/4-20 Bolt Specs: Tap Drill, Dimensions + Torque - 1/4-20 bolt: 0.250" major diameter, tap drill #7 (0.201"), clearance 17/64", 7/16" wrench, typical Grade 5/8 torque 8/12 ft-lb. Full UNC/UNF chart.
• 3/4-10 Bolt Specs: Tap Drill, Dimensions + Torque - 3/4-10 bolt: 0.750" major diameter, tap drill 21/32" (0.6562"), clearance 49/64", 1-1/8" wrench, typical Grade 5/8 torque 260/380 ft-lb. Full UNC/UNF
• 3/8-16 Bolt Specs: Tap Drill, Dimensions + Torque - 3/8-16 bolt: 0.375" major diameter, tap drill 5/16" (0.3125"), clearance 25/64", 9/16" wrench, typical Grade 5/8 torque 30/45 ft-lb. Full UNC/UNF char
• 304 vs 316 Stainless Steel UK Differences - 304 vs 316 stainless steel: 316 adds 2% molybdenum for chloride resistance. 304 costs 30-50% less. Full spec comparison and when to specify each.
• 5/16-18 Bolt Specs: Tap Drill, Dimensions + Torque - 5/16-18 bolt: 0.312" major diameter, tap drill F (0.257"), clearance 21/64", 1/2" wrench, typical Grade 5/8 torque 17/25 ft-lb. Full UNC/UNF chart.
• 5/8-11 Bolt Specs: Tap Drill, Dimensions + Torque - 5/8-11 bolt: 0.625" major diameter, tap drill 17/32" (0.5312"), clearance 41/64", 15/16" wrench, typical Grade 5/8 torque 150/220 ft-lb. Full UNC/UNF
• 6000 Bearing Dimensions: 10x26x8mm, Seals + Equivalents - 6000 bearing size: 10x26x8 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6001 Bearing Dimensions: 12x28x8mm, Seals + Equivalents - 6001 bearing size: 12x28x8 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6002 Bearing Dimensions: 15x32x9mm, Seals + Equivalents - 6002 bearing size: 15x32x9 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6003 Bearing Dimensions: 17x35x10mm, Seals + Equivalents - 6003 bearing size: 17x35x10 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6004 Bearing Dimensions: 20x42x12mm, Seals + Equivalents - 6004 bearing size: 20x42x12 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6005 Bearing Dimensions: 25x47x12mm, Seals + Equivalents - 6005 bearing size: 25x47x12 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6006 Bearing Dimensions: 30x55x13mm, Seals + Equivalents - 6006 bearing size: 30x55x13 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6007 Bearing Dimensions: 35x62x14mm, Seals + Equivalents - 6007 bearing size: 35x62x14 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6008 Bearing Dimensions: 40x68x15mm, Seals + Equivalents - 6008 bearing size: 40x68x15 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 608 Bearing Dimensions: 8x22x7mm, Seals + Equivalents - 608 bearing size: 8x22x7 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6200 Bearing Dimensions: 10x30x9mm, Seals + Equivalents - 6200 bearing size: 10x30x9 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6201 Bearing Dimensions: 12x32x10mm, Seals + Equivalents - 6201 bearing size: 12x32x10 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6202 Bearing Dimensions: 15x35x11mm, Seals + Equivalents - 6202 bearing size: 15x35x11 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6203 Bearing Dimensions: 17x40x12mm, Seals + Equivalents - 6203 bearing size: 17x40x12 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6204 Bearing Dimensions: 20x47x14mm, Seals + Equivalents - 6204 bearing size: 20x47x14 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6205 Bearing Dimensions: 25x52x15mm, Seals + Equivalents - 6205 bearing size: 25x52x15 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6206 Bearing Dimensions: 30x62x16mm, Seals + Equivalents - 6206 bearing size: 30x62x16 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6207 Bearing Dimensions: 35x72x17mm, Seals + Equivalents - 6207 bearing size: 35x72x17 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6208 Bearing Dimensions: 40x80x18mm, Seals + Equivalents - 6208 bearing size: 40x80x18 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6300 Bearing Dimensions: 10x35x11mm, Seals + Equivalents - 6300 bearing size: 10x35x11 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6301 Bearing Dimensions: 12x37x12mm, Seals + Equivalents - 6301 bearing size: 12x37x12 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6302 Bearing Dimensions: 15x42x13mm, Seals + Equivalents - 6302 bearing size: 15x42x13 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6303 Bearing Dimensions: 17x47x14mm, Seals + Equivalents - 6303 bearing size: 17x47x14 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6304 Bearing Dimensions: 20x52x15mm, Seals + Equivalents - 6304 bearing size: 20x52x15 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6305 Bearing Dimensions: 25x62x17mm, Seals + Equivalents - 6305 bearing size: 25x62x17 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6306 Bearing Dimensions: 30x72x19mm, Seals + Equivalents - 6306 bearing size: 30x72x19 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6307 Bearing Dimensions: 35x80x21mm, Seals + Equivalents - 6307 bearing size: 35x80x21 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 6308 Bearing Dimensions: 40x90x23mm, Seals + Equivalents - 6308 bearing size: 40x90x23 mm (bore x OD x width, ISO 15). ZZ vs 2RS suffixes, C3 clearance, SKF/FAG/NSK/NTN equivalents, and fitting basics.
• 7/16-14 Bolt Specs: Tap Drill, Dimensions + Torque - 7/16-14 bolt: 0.438" major diameter, tap drill U (0.368"), clearance 29/64", 5/8" wrench, typical Grade 5/8 torque 50/70 ft-lb. Full UNC/UNF chart.
• 9/16-12 Bolt Specs: Tap Drill, Dimensions + Torque - 9/16-12 bolt: 0.562" major diameter, tap drill 31/64" (0.4844"), clearance 37/64", 13/16" wrench, typical Grade 5/8 torque 110/150 ft-lb. Full UNC/UNF
• A.W. Chesterton Mechanical Seals UK Models - A.W. Chesterton mechanical seals: models 155, 170, UK availability, cross-reference. Get detailed specs and suppliers list.
• Advantage Seal Mechanical Seals UK Cross-Ref - Advantage Seal mechanical seals: models, UK stock lead time 2-7 days, cross-reference equivalents for John Crane/Flowserve/AESSEAL. Get current UK quo
• AESSEAL Mechanical Seals Models UK Cross-reference - AESSEAL mechanical seals: CMG, CURC, CDSA among top models, UK lead time 2-7 days for stock seals. Chart and specs available.
• AESSEAL vs John Crane Mechanical Seals UK 2026 - AESSEAL vs John Crane mechanical seal comparison for UK industry. Cartridge designs, API 682 compliance, MTBF data, UK service network.
• Aflas 100H FFKM O-Ring UK Suppliers - Aflas 100H FFKM O-ring: 75 Shore A, -10°C to 230°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Aflas 100H vs Kalrez 6375: FFKM Compound Comparison - Compare Aflas 100H and Kalrez 6375 FFKMs with max temps of 230°C and 275°C; find spec chart and details on applications and limitations.
• All Seals Inc Mechanical Seals UK Crossref - All Seals Inc mechanical seals: models, UK availability, cross-reference. Founded 1989, get UK lead times and equivalents for aftermarket use.
• Armstrong Fluid Technology UK - Armstrong Fluid Technology UK manufactures HVAC circulator pumps and more since 1934; find verified suppliers by SIC code 28131 in the MLC directory.
• AWG Wire Gauge Chart - AWG wire gauge chart 4/0 to 24. Conductor diameter in mm, cross-section in mm2, and nearest metric cable size. Free AWG to mm conversion table.
• Bearing Dimension Chart - Deep groove ball bearing dimensions for 6000, 6200, and 6300 series. Bore, OD, width, dynamic and static load ratings per ISO 15. Free lookup chart.
• Bearing L10 Life Calculator (ISO 281) - Bearing L10 Life Calculator (ISO 281) calculates million revolutions and hours for ball and roller bearings using dynamic load rating and equivalent l
• Best Angle Grinder (UK, 2026) - Makita, DeWalt, Bosch, Metabo and Milwaukee angle grinders reviewed for UK metalwork. 115mm and 125mm corded and cordless picks with brake and variabl
• Best Anti-Seize Compound (UK, 2026) - Loctite, Permatex, Rocol and Copperslip anti-seize compounds reviewed. Copper, ceramic, nickel and food-grade anti-seize for UK industrial use.
• Best Auto-Darkening Welding Helmets (UK, 2026) - 3M Speedglas 9100XXi and 3 more welding helmets compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Auto-Darkening Welding Helmets (US, 2026) - Lincoln Viking 3350 and 4 more welding helmets compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Bearing Puller Set (UK, 2026) - Sealey, Draper, Laser, and Bahco bearing puller sets reviewed. Internal, external, slide-hammer and blind-hole options for trade workshops.
• Best Bench Grinder (UK, 2026) - Sealey, Draper, JET, Metabo and Record bench grinders reviewed. 6-inch and 8-inch industrial grinders for UK metalworking and tool-room use.
• Best Bench Milling Machine (UK, 2026) - Warco, Sieg, Axminster and Clarke bench mills reviewed for UK workshops. Table size, spindle taper, head travel and rigidity compared for hobby and li
• Best Bench Power Supply (UK, 2026) - Korad KA3005P, Rigol DP832A, Tenma 72-2540 and Siglent SPD3303X-E bench power supplies reviewed for UK electronics engineering and lab use.
• Best Cable Cutter (UK, 2026) - Knipex, Klein Tools, NWS and Bahco cable cutters reviewed. Steel-rope, copper / aluminium and ratcheting cable cutters for UK industrial use.
• Best Cordless Impact Wrench (UK, 2026) - Milwaukee, Makita, DeWalt and Snap-on cordless impact wrenches reviewed. 1/2" and 3/4" drive, 700-2,500 Nm for trade automotive use.
• Best Dial Test Indicator (UK, 2026) - Mitutoyo, Mahr, Insize and Starrett dial test indicators reviewed. 0.5-0.8mm range tools with 0.01mm and 0.002mm graduations for UK inspection work.
• Best Die Grinder (UK, 2026) - Makita, Ingersoll Rand, Chicago Pneumatic and Sealey die grinders reviewed. Air vs electric vs cordless, collet size, rpm and control for UK metalwork
• Best Digital Caliper and Micrometer (UK, 2026) - Mitutoyo, Moore & Wright, and Draper digital calipers and micrometers reviewed. 150mm, 200mm, 300mm sizes — IP67-rated for workshop use.
• Best Drill Bit Set (UK, 2026) - Sutton, Bosch, Dewalt, Bahco and Milwaukee drill bit sets reviewed. HSS, HSS-Co, TiN-coated and carbide bits for UK metalworking and trade use.
• Best Engineer's Bench Vice (UK, 2026) - Record No.5, Wilton, Yost and Sealey engineer's bench vices reviewed. Cast iron and forged steel options for daily trade workshop use.
• Best Engineer's File Set (UK, 2026) - Bahco, Vallorbe, Pferd and Nicholson engineer's file sets reviewed. Flat, half-round, round and needle files in cut grades for UK trade workshop use.
• Best Engineer's Plier Set (UK, 2026) - Knipex, NWS, Wiha, Bahco engineer's plier sets reviewed. Combination, side-cutter, long-nose, water pump pliers — trade-grade for UK workshop use.
• Best Engineer's Screwdriver Set (UK, 2026) - Wera, Wiha, PB Swiss, Felo and Bahco engineer's screwdriver sets reviewed. Slotted, Phillips, Pozidriv and Torx sets — UK trade and electronics picks.
• Best Granite Surface Plate (UK, 2026) - Mitutoyo, Eagle Granite and Moore & Wright surface plates reviewed. Grade 0, 1 and 2 plates for inspection and metrology rooms.
• Best Hand Chain Hoist (UK, 2026) - Yale, Kito, Liftket, Pfaff and Tractel hand chain hoists reviewed. 0.5t to 5t capacity manual lifting hoists for UK workshop and site use.
• Best Height Gauge (UK, 2026) - Mitutoyo, Moore & Wright, Insize and Dasqua height gauges reviewed. Range, resolution, scriber accuracy and granite-plate use for UK marking out and i
• Best Hydraulic Shop Press (UK, 2026) - Sealey, Clarke, Draper and Garage Equipment Direct hydraulic shop presses reviewed. 10-50 ton presses for bearing, bush and shaft work.
• Best Industrial Heat Gun (UK, 2026) - Steinel HG2620E, Bosch GHG 23-66, Makita HG6531CK and DeWalt D26411 heat guns reviewed. 600°C+ industrial heat guns for UK workshop and trade use.
• Best Industrial Torque Wrench (UK, 2026) - Norbar, Bahco, Britool and Sealey torque wrenches reviewed. Click, dial and digital — 5-1500 Nm with UKAS calibration options for trade users.
• Best Industrial Wet/Dry Vacuum (UK, 2026) - Karcher, Numatic, Festool and Nilfisk wet/dry vacuums reviewed. Workshop-grade vacuums for swarf, coolant and dust collection.
• Best Inspection Borescope (UK, 2026) - Teslong, Depstech, Laserliner and Milwaukee borescopes reviewed. Probe diameter, resolution, articulation and dual-camera options for UK engineering i
• Best Laser Distance Measurer (UK, 2026) - Leica DISTO, Bosch GLM, Stabila and DeWalt laser distance measurers reviewed. 30m to 150m models for UK construction, surveying, and engineering use.
• Best Laser Levels (UK, 2026): Cross-Line + 360 - Bosch Professional GLL 3-80 CG and 4 more laser levels compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying
• Best Laser Levels (US, 2026): Cross-Line + 360 - Bosch GLL3-330CG and 4 more laser levels compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Magnetic Drill Press (UK, 2026) - Evolution EVOMAG28, Milwaukee MDP41, Fein KBM50 and Hougen HMD904 magnetic drill presses reviewed for UK steel fabrication, plant maintenance, and tra
• Best Metalworking Bandsaw (UK, 2026) - Femi, Optimum, Sealey and Clarke metalworking bandsaws reviewed. Vertical, horizontal and combination machines for trade workshops.
• Best MIG Welder (UK, 2026) - R-Tech, Clarke, Sealey, Draper and Parweld MIG welders reviewed for UK fabrication. Gas vs gasless, amperage, duty cycle and synergic control compared
• Best Milling Machine Vice (UK, 2026) - Vertex, Soba, Glanze and Clarke milling machine vices reviewed. Jaw width, parallelism, clamping force and ground accuracy compared for UK workshops.
• Best Mini Metal Lathe (UK, 2026) - Warco, Sieg, Axminster and Clarke mini metal lathes reviewed for UK home workshops. Swing, between-centres, variable speed and threading capability co
• Best Multimeter (UK, 2026) - Fluke 87V, Klein MM700, Brymen BM235 and Aneng AN8008 multimeters reviewed for UK electricians, electronics engineers, and lab use.
• Best Multimeters (US, 2026): For Electricians + Engineers - Fluke 117 and 4 more multimeters compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Oscilloscope (UK, 2026) - Rigol DS1054Z, Siglent SDS1104X-E and Keysight DSOX1102G oscilloscopes reviewed. 50MHz to 200MHz benchtop scopes for UK engineers and makers.
• Best Pillar Drill for Metalworking (UK, 2026) - Optimum, Sealey, Femi and Axminster pillar drills reviewed. Bench, floor-standing, and gear-driven drills for metalwork up to 25mm.
• Best Plasma Cutter (UK, 2026) - R-Tech, Stahlwerk, Clarke and Parweld plasma cutters reviewed for UK fabrication. Cut capacity, pilot arc, duty cycle and consumable cost compared.
• Best Portable Hardness Tester (UK, 2026) - Phase II, TIME, Proceq Equotip and Krautkramer portable hardness testers reviewed. Leeb-type and UCI-type tools for UK metallurgy, welding QA and insp
• Best Socket Sets (UK, 2026): Buy-Once Kits Compared - Halfords Advanced 150-piece and 3 more socket sets compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Socket Sets (US, 2026): Buy-Once Kits Compared - Tekton SKT25302 and 3 more socket sets compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Soldering Station (UK, 2026) - Hakko FX-888D, Weller WE1010, JBC CD-1BQF and TS100 soldering stations reviewed for UK electronics, makers, and production-rework users.
• Best Tap and Die Set (UK, 2026) - Sutton, Volkel, Cobalt, Bahco and Snap-On tap and die sets reviewed. HSS and cobalt sets for metric, UNC, UNF, BSP and BSPP threads — UK trade picks.
• Best Tap and Die Sets (US, 2026): Thread Cutting + Repair - Irwin Hanson 26376 and 3 more tap and die sets compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Thermal Imager (UK, 2026) - FLIR E5-XT, FLIR C5, Seek Reveal Pro and Hikmicro Mini2 thermal cameras reviewed for UK electrical, HVAC, and industrial maintenance use.
• Best Thermal Imaging Cameras (UK, 2026) - Hikmicro B20 and 4 more thermal cameras compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Thermal Imaging Cameras (US, 2026) - Topdon TC001 and 4 more thermal cameras compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Threadlocker (UK, 2026) - Loctite 222, 243, 271 and 277 threadlocker reviewed plus Permatex, Henkel and Rocol alternatives. Strength grades, temperature ranges, UK trade picks.
• Best TIG Welders (UK, 2026): AC/DC Picks Compared - R-Tech TIG161 and 4 more TIG welders compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best TIG Welders (US, 2026): AC/DC Picks Compared - PrimeWeld TIG225X and 4 more TIG welders compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Tool Chests + Roller Cabinets (UK, 2026) - Halfords Industrial 9-drawer cabinet and 3 more tool chests compared for UK buyers in 2026: typical prices, who each suits, and what to check before b
• Best Tool Chests + Roller Cabinets (US, 2026) - Husky 52in 15-drawer and 3 more tool chests compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Torque Screwdriver (UK, 2026) - Wera, Wiha, Norbar, Bahco and Draper torque screwdrivers reviewed. Nm range, accuracy, repeatability and calibration for precision low-torque assembly
• Best Torque Wrenches (UK, 2026): Click, Digital + Split-Beam - Teng Tools 1292AG-E4 and 4 more torque wrenches compared for UK buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best Torque Wrenches (US, 2026): Click, Digital + Split-Beam - Tekton 24335 and 4 more torque wrenches compared for US buyers in 2026: typical prices, who each suits, and what to check before buying.
• Best VFD for UK Workshops 2026 - Schneider, Danfoss, ABB and Invertek VFDs reviewed. 0.4kW to 22kW drives for lathes, mills, pumps and conveyors. Single to 3-phase options.
• Best Workshop Air Compressor (UK, 2026) - Hyundai, Clarke, Atlas Copco and Sealey workshop air compressors reviewed. Belt-driven, screw and silent options for trade workshops.
• Best Workshop Tool Chest (UK, 2026) - Halfords Advanced, Sealey AP and Snap-on tool chests reviewed. Roller cabinets, top boxes, and combinations rated for trade workshop daily use.
• Bolt Head Sizes Chart - Bolt head sizes for M3 to M30 hex bolts and socket head cap screws. Spanner sizes, head heights, Allen key sizes per ISO 4014 and ISO 4762.
• Bolt Torque Calculator - Metric (M3 to M30) - Free bolt torque calculator for metric bolts M3-M30. Property classes 8.8, 10.9, 12.9 with lubrication adjustment. Based on ISO 898-1 and VDI 2230.
• Bolt Torque Settings and Property Classes Explained - Bolt Torque Settings and Property Classes Explained. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selectio
• BS O Ring Sizes Chart BS1806 and AS568 - BS 1806 O-ring size chart from BS001 to BS050 with inside diameter and cross-section in mm and inches. BS 1806 sizes match AS568. Free lookup for UK e
• BSP vs NPT Threads: Why They Don't Mix (UK Guide) - BSP vs NPT threads: 55 vs 60 degree angle, different diameters, not interchangeable. At 1/2 inch BSP is 20.955 mm OD, NPT is 21.336 mm. Full spec comp
• Burgmann Mechanical Seals: Models, UK Availability, Cross-Reference - Burgmann mechanical seals: key models, UK availability, cross-reference. Germany, founded 1884. Get a UK quote.
• Canrez CRZ-660 FFKM O-Ring UK Suppliers - Canrez CRZ-660 FFKM O-ring: 75 Shore A, 0°C to 325°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Canrez CRZ-660 vs Chemraz 615 Comparison - Canrez CRZ-660 vs Chemraz 615: FFKM compounds compared at 325°C and 324°C max temp, with side-by-side specs and applications chart.
• Canrez CRZ-660 vs Kalrez 4079 Comparison - Compare Canrez CRZ-660 and Kalrez 4079 FFKM compounds with max temps of 325°C and 316°C respectively. Chart details hardness, applications, manufactur
• Canrez CRZ-660 vs Simriz SZ487 FFKM Comparison - Compare Canrez CRZ-660 and Simriz SZ487 FFKM compounds with max temps of 325°C and 300°C respectively. Chart details hardness, applications, manufactu
• Chemraz 505 FFKM O-Ring Specs UK Suppliers - Chemraz 505 FFKM O-ring: 75 Shore A, -34°C to 230°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 505 vs Kalrez 0040 Comparison - Compare Chemraz 505 and Kalrez 0040 for aerospace use; max temps 230°C vs 250°C, hardness 75 Shore A vs 70 Shore A. Find spec comparison chart.
• Chemraz 526 FFKM O-Ring UK Suppliers - Chemraz 526 FFKM O-ring: 75 Shore A, -10°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 526 vs Kalrez 7075 Comparison - Compare Chemraz 526 and Kalrez 7075 for semiconductor use at 327°C max temp. Chart details continuous service range, hardness, and manufacturer.
• Chemraz 526 vs Simriz SZ485 Comparison - Compare Chemraz 526 and Simriz SZ485 FFKMs with max temps of 327°C and 280°C, respectively. Chart details hardness, applications, and manufacturers.
• Chemraz 555 FFKM O-Ring UK Suppliers - Chemraz 555 FFKM O-ring: 75 Shore A, -20°C to 240°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 555 vs Isolast J9503 Comparison - Compare Chemraz 555 and Isolast J9503 FFKMs at 240°C vs 230°C for pharmaceutical use. Chart details continuous temp range, hardness, and manufacturer.
• Chemraz 555 vs Kalrez 6375 Comparison - Compare Chemraz 555 and Kalrez 6375 FFKMs with max temps of 240°C and 275°C; find spec chart and details on applications.
• Chemraz 555 vs Simriz SZ481 Comparison - Compare Chemraz 555 and Simriz SZ481 FFKMs with max temps of 240°C and 230°C respectively. Chart details hardness, applications, manufacturers.
• Chemraz 615 FFKM O-Ring Specs UK - Chemraz 615 FFKM O-ring: 75 Shore A, -10°C to 324°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 615 vs Isolast J9504 Comparison - Compare Chemraz 615 and Isolast J9504 FFKMs with max temps of 324°C and 270°C for refinery use. Chart details hardness, applications, manufacturers.
• Chemraz 615 vs Kalrez 4079 FFKM Comparison - Compare Chemraz 615 and Kalrez 4079 for FFKM compounds at 324°C vs 316°C max temp. Get spec chart and details on applications, manufacturers.
• Chemraz 615 vs Markez Z1: FFKM Compound Comparison - Compare Chemraz 615 and Markez Z1 FFKMs at 324°C vs 327°C max temp, learn specs and applications for chemical and refinery use.
• Chemraz 615 vs Perlast G75B Comparison - Compare Chemraz 615 and Perlast G75B FFKMs with max temps of 324°C and 327°C, respectively. Chart details hardness, applications, and manufacturers.
• Chemraz 615 vs Simriz SZ487 Comparison - Compare Chemraz 615 and Simriz SZ487 FFKMs with max temps of 324°C and 300°C, respectively. Chart details hardness, applications, manufacturers.
• Chemraz 633 FFKM O-Ring UK Suppliers - Chemraz 633 FFKM O-ring: 90 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 633 vs Kalrez 8475 Comparison - Compare Chemraz 633 and Kalrez 8475 for oil and gas use; both FFKM compounds differ by 2°C in max temp at 327°C vs 325°C. Specifications chart include
• Chemraz 633 vs Perlast G90A Comparison - Compare Chemraz 633 and Perlast G90A FFKMs with max temps of 327°C and 270°C; find spec chart and details on applications and manufacturers.
• Chemraz 696 FFKM O-Ring UK Suppliers - Chemraz 696 FFKM O-ring: 90 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Chemraz 696 vs Kalrez 9100 Comparison - Compare Chemraz 696 and Kalrez 9100 FFKMs at 327°C max temp; find spec differences and application suitability in side-by-side chart.
• Chemraz vs Kalrez: FFKM Cross-Reference and Temperature Comparison - Chemraz vs Kalrez compared across all six equivalent FFKM grades: max temperature, hardness and where each is specified.
• Choosing the Right Bearing for Your Application - How to Choose the Right Bearing for Your Application. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selecti
• Dean Pump Mechanical Seals UK Models - Dean Pump (Met-Pro) mechanical seals: key models, UK availability, cross-reference. USA, founded 1934. Get a UK quote.
• Depac Mechanical Seals UK Models Cross-reference - Depac mechanical seals: models like 343, UK availability in 2-7 days, cross-reference to equivalents. Get a current UK quote.
• Dutypoint Packaged Pumping Systems 1981 Gloucester - Dutypoint manufactures packaged pumping systems since 1981 in Gloucester; find product lines, UK suppliers, and genuine parts identification details.
• Eagle Industry Mechanical Seals: Models, UK Availability, Cross-Reference - Eagle Industry mechanical seals: EM, EE, EK, EJ series; UK availability, lead times, and cross-references for automotive use.
• EagleBurgmann Mechanical Seals UK Models - EagleBurgmann mechanical seals: M7N, M2N models, UK stock available, cross-reference options. Get detailed specs and availability.
• Engineering Unit Converter (Metric / Imperial) - Engineering unit converter: metric to imperial for length, torque, pressure, flow, power, temperature. 1 bar = 14.5 psi, 1 Nm = 0.738 lb-ft.
• Festo UK - Festo UK offers pneumatic cylinders, solenoid valves, and more from its Northampton HQ since 1960. Find suppliers by SIC code 28120 for genuine parts.
• Festo vs SMC Pneumatic Cylinders UK 2026 - Festo vs SMC pneumatic cylinders, valves and fittings compared. ISO 15552 sizes, stroke options, UK availability and trade pricing for industrial auto
• Flange PCD and Bolt Hole Chart EN 1092-1 ANSI - Flange PCD chart for EN 1092-1 PN 16 (DN 15 to DN 500) and ANSI B16.5 Class 150. Find pitch circle diameter, bolt count, hole size, and bolt size for
• Flowserve Mechanical Seals UK Models - Flowserve mechanical seals: ISC2, BX, Durametallic RO models; UK lead time 2-7 days for stock seals. Cross-reference chart included.
• Fluiten Mechanical Seals UK Models Crossref - Fluiten mechanical seals: key models, UK availability, cross-reference. Italy, founded 1977. Get a UK quote.
• Fraction to MM Conversion Chart (Drill and Bolt Sizes) - Fraction to mm conversion chart for drill bits and bolts, 1/64 to 1 inch. Decimal inch and exact millimetre equivalents plus nearest metric drills.
• Garlock Mechanical Seals UK Models Cross Ref - Garlock Sealing Technologies mechanical seals: key models, UK availability, cross-reference. USA, founded 1887. Get a UK quote.
• Gasket Material Selection for PxT Limits - Gasket Material Selection for Temperature and Pressure. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selec
• Grant UK - Grant UK manufactures oil boilers, biomass boilers, and Aerona heat pumps from Devizes, Wiltshire; find verified suppliers in SIC category 28210 direc
• Grundfos Pumps UK: Circulator Alpha Magna Models - Grundfos UK: circulator pumps, Leighton Buzzard, Bedfordshire HQ. energy-efficient circulator pumps (Alpha, Magna) and industrial CR multistage pumps.
• Grundfos vs Wilo Circulator Pumps (UK Buyer Guide) - Grundfos vs Wilo circulator pumps: Alpha 2 vs Yonos PARA, Magna 3 vs Stratos. Both meet EEI 0.20, UK prices £170-260, installer guide.
• Hardness Conversion Chart - Hardness conversion chart: HRC, HB Brinell, HV Vickers, and tensile strength (MPa) for steel. Based on ASTM E140 and ISO 18265. Free lookup table.
• Hayward Tyler UK - Hayward Tyler UK: boiler circulating pumps, Luton, Bedfordshire HQ. glandless boiler circulating pumps for nuclear and coal-fired power stations.
• Hex Key and Allen Key Sizes Chart Metric Imperial - Allen key size chart for metric (ISO 4762) and imperial (ASME B18.3) socket head cap screws. M3 takes a 2.5 mm key, M6 takes 5 mm, M10 takes 8 mm. Fre
• Hopkinsons Mechanical Seals UK Models Cross Ref - Hopkinsons mechanical seals: models, UK availability, cross-reference. Founded 1882, get UK quotes and equivalents for power generation use.
• How to Identify an Unknown Thread - How to Identify an Unknown Thread. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria for UK
• How to Read a Bearing Designation Number - How to Read a Bearing Designation Number. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria
• Hydraulic Hose Sizing and Selection - Hydraulic Hose Sizing and Selection. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria for U
• Inpro/Seal Mechanical Seals UK Models - Inpro/Seal mechanical seals: VBX, VBXX, IFR models; UK availability 2-7 days for stock seals. Get cross-reference and UK quotes.
• ISO 898-1 vs ASTM A307 Bolt Standards - ISO 898-1 vs ASTM A307: metric 8.8 bolts (800 MPa) vs American A307 (414 MPa). Grade stamp, tensile strengths, UK/US bolt standards compared.
• ISO Tolerance and Fit Guide for Engineers - ISO Tolerance and Fit Guide for Engineers. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria
• ISO Tolerance and Fits Chart (H7, h6, etc.) - ISO 286 tolerance and fits chart. H7/g6, H7/h6, H7/k6, H7/p6 explained with clearance, transition and interference fits plus example limits in microns
• Isolast J9503 FFKM O-Ring UK Suppliers - Isolast J9503 FFKM O-ring: 75 Shore A, -15°C to 230°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Isolast J9503 vs Kalrez 6375 Comparison - Compare Isolast J9503 and Kalrez 6375 for FFKM compounds, noting temp ranges of 230°C vs 275°C and applications in chemical and pharmaceutical industr
• Isolast J9504 FFKM O-Ring UK Suppliers - Isolast J9504 FFKM O-ring: 75 Shore A, -10°C to 270°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Isolast J9504 vs Kalrez 4079 Comparison - Compare Isolast J9504 and Kalrez 4079 for FFKM compounds, noting max temps of 270°C and 316°C, hardness, and applications, specification guide include
• John Crane Mechanical Seals UK Models Crossref - John Crane mechanical seals: Models Type 21, 9, 2100; UK availability, cross-reference. Get current UK quotes and equivalents.
• Kalrez 0040 FFKM O-Ring Specs UK Suppliers - Kalrez 0040 FFKM O-ring: 70 Shore A, -25°C to 250°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 4079 FFKM O-Ring UK Suppliers - Kalrez 4079 FFKM O-ring: 75 Shore A, 0°C to 316°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 4079 vs Markez Z1: FFKM Compound Comparison - Compare Kalrez 4079 and Markez Z1 FFKM compounds with max temps of 316°C and 327°C; find spec details and applications chart.
• Kalrez 4079 vs Markez Z40: FFKM Compound Comparison - Compare Kalrez 4079 and Markez Z40 FFKM compounds at 316°C max temp; find spec differences and application guidance in side-by-side chart.
• Kalrez 4079 vs ParoFluor V8545-75 Comparison - Compare Kalrez 4079 and ParoFluor Ultra V8545-75 FFKM compounds with max temps of 316°C and 318°C for chemical applications. Chart included.
• Kalrez 4079 vs Perlast G75B Comparison - Compare Kalrez 4079 and Perlast G75B FFKM compounds with max temps of 316°C and 327°C respectively for chemical applications. Chart included.
• Kalrez 4079 vs Simriz SZ487 Comparison - Compare Kalrez 4079 and Simriz SZ487 FFKMs for chemical applications, noting 316°C vs 300°C max temp. Get detailed specs and comparison chart.
• Kalrez 6375 FFKM O-Ring Specs UK Suppliers - Kalrez 6375 FFKM O-ring: 75 Shore A, -7°C to 275°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 6375 vs Perlast G80A Comparison - Compare Kalrez 6375 and Perlast G80A FFKMs for chemical processes, noting 275°C vs 260°C max temp. Chart details included.
• Kalrez 6375 vs Simriz SZ481 Comparison - Compare Kalrez 6375 and Simriz SZ481 FFKMs with max temps of 275°C and 230°C respectively for chemical process applications. Chart included.
• Kalrez 6375 vs Tecnoflon PFR94 Comparison - Compare Kalrez 6375 and Tecnoflon PFR PFR94 FFKM compounds with max temps of 275°C and 230°C respectively. Chart details hardness, applications, manuf
• Kalrez 7075 FFKM O-Ring UK Suppliers - Kalrez 7075 FFKM O-ring: 75 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 7075 vs Perlast ICE Comparison - Compare Kalrez 7075 and Perlast ICE FFKMs; 327°C max temp for Kalrez vs 325°C. Chart details hardness, applications, manufacturers.
• Kalrez 7075 vs Simriz SZ485 Comparison - Compare Kalrez 7075 and Simriz SZ485 FFKMs for semiconductor use, with max temps of 327°C and 280°C respectively. Chart details included.
• Kalrez 8475 FFKM O-Ring UK Suppliers - Kalrez 8475 FFKM O-ring: 90 Shore A, 0°C to 325°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 8475 vs Perlast G90A Comparison - Compare Kalrez 8475 and Perlast G90A for oil and gas use, noting 325°C vs 270°C max temp. Chart details hardness, applications, manufacturers.
• Kalrez 8475 vs Tecnoflon PFR95 Comparison - Compare Kalrez 8475 and Tecnoflon PFR PFR95 FFKM compounds with max temps of 325°C and 250°C for oil and gas applications. Spec chart included.
• Kalrez 9100 FFKM O-Ring UK Suppliers - Kalrez 9100 FFKM O-ring: 90 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Kalrez 9100 vs Simriz SZ498 Comparison - Compare Kalrez 9100 and Simriz SZ498 FFKMs at 327°C max temp, same hardness, find spec chart and details on applications, manufacturers.
• Kalrez vs Chemraz O-Rings UK Trade 2026 - Kalrez vs Chemraz FFKM perfluoroelastomer O-rings compared. Temperature, chemical compatibility, UK availability, price for semiconductor and chemical
• Kameyama Iron Works Mechanical Seals UK Cross-Ref - Kameyama Iron Works mechanical seals: key models, UK availability, cross-reference. Japan, founded 1922. Get a UK quote.
• Klinger Mechanical Seals UK Models Cross-reference - Klinger mechanical seals: key models, UK availability, cross-reference. Austria / Switzerland, founded 1886. Get a UK quote.
• KSB vs Grundfos Circulator Pumps: UK HVAC Trade Comparison (2026) - KSB vs Grundfos circulator pumps for UK heating + chilled-water systems. Wet-rotor design, EuP efficiency, lifespan, BMS integration, UK service netwo
• Latty International Mechanical Seals UK Cross-Ref - Latty International mechanical seals: key models, UK availability, cross-reference. France, founded 1920. Get a UK quote.
• Leak-Pack (LeakProof Engineering) Mechanical Seals: Models, UK Availability, Cross-Reference - Leak-Pack (LeakProof Engineering) mechanical seals: LP cartridge series, UK lead time 2-7 days for stock seals, cross-reference chart included.
• Lepu Seal Mechanical Seals UK Models Cross Ref - Lepu Seal mechanical seals: models, UK availability, cross-reference. Founded 1999, get UK quotes and equivalents for Lepu 502/503/120 series.
• Loctite 243 vs 271 Threadlocker UK Comparison - Loctite 243 vs 271 thread locker compared. Medium vs high strength, removal torque, temperature, oily fastener tolerance for UK trade engineering use.
• M10 Bolt 1.5 Pitch Specs ISO 261 - M10 bolt specifications - 1.5mm thread pitch, 8.5mm tap drill, 11mm clearance hole, 17mm hex (DIN 933), 50 Nm torque at grade 8.8. Full spec table.
• M10 Nut Dimensions: A/F, Thickness & Spanner Size - An M10 nut is 16.0mm across flats (17.0mm for DIN 934), 8.4mm thick, with 1.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes
• M12 Nut Dimensions: A/F, Thickness & Spanner Size - An M12 nut is 18.0mm across flats (19.0mm for DIN 934), 10.8mm thick, with 1.75mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner siz
• M12 Standard Pitch: Full Spec Table with Torque - The M12 standard pitch is 1.75mm coarse per ISO 261. M12 has a 12mm diameter, 10.2mm tap drill, 13mm clearance hole and 18mm hex. Full spec table.
• M14 Bolt Specifications - M14 bolt specifications: 2.0 mm coarse pitch, 12.0 mm tap drill, 21.0 mm spanner, 12.0 mm hex key, 135 Nm torque for class 8.8. Complete ISO 261 refer
• M14 Nut Dimensions: A/F, Thickness & Spanner Size - An M14 nut is 21.0mm across flats (22.0mm for DIN 934), 12.8mm thick, with 2.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner size
• M16 Bolt Pitch: 2.0mm, 17mm Hole, 24mm Hex - An M16 bolt uses a 2.0mm coarse pitch with a 17.0mm clearance hole and a 24mm hex head. Full ISO 261 spec table with tap drill, clearance and torque.
• M16 Nut Dimensions: A/F, Thickness & Spanner Size - An M16 nut is 24.0mm across flats, 14.8mm thick, with 2.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M18 Bolt Specifications - M18 bolt specifications: 2.5 mm coarse pitch, 15.5 mm tap drill, 27.0 mm spanner, 14.0 mm hex key, 285 Nm torque for class 8.8. Complete ISO 261 refer
• M18 Nut Dimensions: A/F, Thickness & Spanner Size - An M18 nut is 27.0mm across flats, 15.8mm thick, with 2.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M20 Nut Dimensions: A/F, Thickness & Spanner Size - An M20 nut is 30.0mm across flats, 18.0mm thick, with 2.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M20 Standard Pitch: Full Spec Table with Torque - The M20 standard pitch is 2.5mm coarse per ISO 261. M20 has a 20mm diameter, 17.5mm tap drill, 21mm clearance hole and 30mm hex head. Full spec table.
• M22 Bolt Specifications - M22 bolt specifications: 2.5 mm coarse pitch, 19.5 mm tap drill, 34.0 mm spanner, 17.0 mm hex key, 550 Nm torque for class 8.8. Complete ISO 261 refer
• M22 Nut Dimensions: A/F, Thickness & Spanner Size - An M22 nut is 34.0mm across flats (32.0mm for DIN 934), 19.4mm thick, with 2.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner size
• M24 Nut Dimensions: A/F, Thickness & Spanner Size - An M24 nut is 36.0mm across flats, 21.5mm thick, with 3.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M24 Standard Pitch: Full Spec Table with Torque - M24 bolt standard pitch is 3.0 mm coarse (ISO 261). Full dimensions: 21 mm tap drill, 25 mm clearance hole, 36 mm hex head A/F, 690 Nm torque at grade
• M27 Bolt Specifications - M27 bolt specifications: 3.0 mm coarse pitch, 24.0 mm tap drill, 41.0 mm spanner, 19.0 mm hex key, 1020 Nm torque for class 8.8. Complete ISO 261 refe
• M27 Nut Dimensions: A/F, Thickness & Spanner Size - An M27 nut is 41.0mm across flats, 23.8mm thick, with 3.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M3 Bolt Specifications - M3 bolt specifications: 0.5 mm coarse pitch, 2.5 mm tap drill, 5.5 mm spanner, 2.5 mm hex key, 1.3 Nm torque for class 8.8. Complete ISO 261 reference
• M3 Nut Dimensions: A/F, Thickness & Spanner Size - An M3 nut is 5.5mm across flats, 2.4mm thick, with 0.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M30 Bolt Specifications - M30 bolt specifications: 3.5 mm coarse pitch, 26.5 mm tap drill, 46.0 mm spanner, 22.0 mm hex key, 1390 Nm torque for class 8.8. Complete ISO 261 refe
• M30 Nut Dimensions: A/F, Thickness & Spanner Size - An M30 nut is 46.0mm across flats, 25.6mm thick, with 3.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M36 Bolt Specifications - M36 bolt specifications: 4.0 mm coarse pitch, 32.0 mm tap drill, 55.0 mm spanner, 27.0 mm hex key, 2420 Nm torque for class 8.8. Complete ISO 261 refe
• M36 Nut Dimensions: A/F, Thickness & Spanner Size - An M36 nut is 55.0mm across flats, 31.0mm thick, with 4.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M42 Bolt Specifications - M42 bolt specifications: 4.5 mm coarse pitch, 37.5 mm tap drill, 65.0 mm spanner, 32.0 mm hex key, 3870 Nm torque for class 8.8. Complete ISO 261 refe
• M42 Nut Dimensions: A/F, Thickness & Spanner Size - An M42 nut is 65.0mm across flats, 34.0mm thick, with 4.5mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M5 Bolt Dimensions: Full Spec Table, All Grades - An M5 bolt is 5.0mm nominal diameter with a 0.8mm coarse pitch and a 5.5mm clearance hole. Full ISO 261 spec table with tap drill, clearance and torqu
• M5 Nut Dimensions: A/F, Thickness & Spanner Size - An M5 nut is 8.0mm across flats, 4.7mm thick, with 0.8mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M6 Bolt Size & Dimensions in mm - An M6 bolt has a 6.0mm nominal diameter, 1.0mm coarse pitch, 5.0mm tap drill and 10mm hex head. Full ISO 261 spec table, clearance holes and torque.
• M6 Nut Dimensions: A/F, Thickness & Spanner Size - An M6 nut is 10.0mm across flats, 5.2mm thick, with 1.0mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• M8 Bolt Size in mm: Full Spec Table, All Grades - An M8 bolt is 8.0mm nominal diameter with a 1.25mm coarse pitch and a 13mm hex head. Full ISO 261 spec table with tap drill, clearance and torque.
• M8 Nut Dimensions: A/F, Thickness & Spanner Size - An M8 nut is 13.0mm across flats, 6.8mm thick, with 1.25mm coarse pitch. Full ISO 4032 spec table with thin nut and spanner sizes.
• Magnatex Pumps Mechanical Seals UK Models - Magnatex Pumps mechanical seals: models, UK stock lead time 2-7 days, cross-reference to competitors. Get detailed specs and suppliers list.
• Markez Z1 FFKM O-Ring UK Suppliers - Markez Z1 FFKM O-ring: 75 Shore A, -25°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Markez Z1 vs Perlast G75B: FFKM Compound Comparison - Compare Markez Z1 and Perlast G75B FFKM compounds at 327°C max temp; find spec differences in temperature range, hardness, and use cases.
• Markez Z40 FFKM O-Ring UK Suppliers - Markez Z40 FFKM O-ring: 75 Shore A, 0°C to 316°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Mechanical Seal Types and Selection Guide - Mechanical Seal Types and Selection Guide. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria
• Metal Density Chart - Metal density chart for steel, stainless, aluminium, copper, brass and more in g/cm3 and kg/m3. Calculate part and bar weight from volume.
• Metric Bolt Torque Chart - Metric bolt torque chart for M3 to M30 in property classes 8.8, 10.9, and 12.9. Values per ISO 898-1 with dry threads. Free reference table for UK eng
• Metric O-Ring Size Chart - ISO 3601 - ISO 3601 metric O-ring sizes with inside diameter, cross-section, tolerances, and material options. Free reference chart for UK engineers.
• Metric Tap and Clearance Drill Chart - Metric tap and clearance drill sizes M1.6 to M24. Tap drill, close and medium clearance holes for coarse threads, from ISO 261 and ISO 273.
• Mitsubishi MCI Mechanical Seals UK Models - Mitsubishi Cable Industries (MCI) mechanical seals: models, UK availability, cross-reference. Founded 1936, get UK lead times and supplier details.
• Mitutoyo vs Mahr Micrometers UK Comparison 2026 - Mitutoyo vs Mahr digital and mechanical micrometers compared. Accuracy, IP rating, anvil design, UKAS calibration, UK availability for trade inspectio
• Mitutoyo vs Moore & Wright Precision Tools UK 2026 - Mitutoyo vs Moore & Wright digital calipers, micrometers and height gauges compared. Trade UK guide to which precision brand fits your workshop.
• Norbar vs Bahco Torque Wrenches UK 2026 - Norbar vs Bahco torque wrenches compared. UKAS calibration, accuracy, click vs dial, made-in-UK vs Swedish. Trade workshop pick for automotive + indus
• Norgren UK - Norgren UK manufactures pneumatic valves since 1947 in Lichfield; find authorised distributors and product specs for FRLs and ISO cylinders.
• NPT Thread Sizes Chart - NPT thread sizes from 1/16 to 2 inch. Threads per inch, pipe OD in mm and inches, tap drill sizes from ASME B1.20.1. Free NPT reference chart.
• NSK UK - NSK UK manufactures precision ball bearings since 1976 in Newark and Peterlee; find authorised distributors and product specs for bearings, guides, sc
• O-Ring Material Selection Guide - O-Ring Material Selection Guide. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria for UK en
• O-Ring Size Finder - BS 1806 & Metric Lookup - Free O-ring size finder with BS 1806 lookup. Search by size number or diameter. Cross-reference metric and imperial dimensions for UK engineering.
• Pac-Seal Mechanical Seals UK Models Crossref - Pac-Seal mechanical seals: 800, 802, 850 series; UK availability, cross-reference guide with lead times and equivalents.
• Parker Hannifin UK - Parker Hannifin UK: hydraulic pumps, Warwick (multiple UK sites) HQ. one of the largest global motion and control manufacturers.
• ParoFluor Ultra V8545-75 FFKM O-Ring UK Suppliers - ParoFluor Ultra V8545-75 FFKM O-ring: 75 Shore A, 0°C to 318°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Perlast G75B FFKM O-Ring UK Suppliers - Perlast G75B FFKM O-ring: 75 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Perlast G80A FFKM O-Ring UK Suppliers - Perlast G80A FFKM O-ring: 80 Shore A, -15°C to 260°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Perlast G90A FFKM O-Ring UK Suppliers - Perlast G90A FFKM O-ring: 90 Shore A, 0°C to 270°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Perlast ICE FFKM O-Ring Specs UK Suppliers - Perlast ICE FFKM O-ring: 75 Shore A, 0°C to 325°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Pipe Pressure Rating Calculator (Barlow Formula) - Pipe pressure rating calculator using Barlow formula P = 2St/D. Carbon steel and stainless presets, ASME B31.3 design factors. Thin-wall pipe.
• Pipe Schedules and Wall Thickness Chart - Pipe schedules chart: wall thickness for carbon steel pipes by NPS and schedule, e.g., SCH 40 OD 33.4mm is 3.38mm thick per ASME B36.10M standards.
• Pipe Thread Sizes - BSP Chart - BSP pipe thread sizes from 1/8 to 4 inch. Threads per inch, major OD, tapping drill sizes, BSPP and BSPT designations. Free BSP reference chart.
• Pump Power Calculator (Shaft Power Formula) - Pump power calculator: shaft kW from flow, head, density, efficiency. Formula P = rho x g x Q x H / eta. Real pump efficiency ranges included.
• Pyramid Seals Models UK Cross-Ref - Pyramid Seals mechanical seals: models, UK availability, cross-reference. Founded 1989, get UK quotes and equivalents for stock and custom designs.
• Renold UK - Renold UK manufactures roller chain since 1879 in Manchester, offering gearboxes, couplings. Find verified suppliers by SIC code 28150 for genuine par
• Roten Mechanical Seals UK Models Crossref - Roten mechanical seals: key models, UK availability, cross-reference. Italy, founded 1947. Get a UK quote.
• Schaeffler UK (FAG and INA) - Schaeffler UK: FAG rolling bearings, Sutton Coldfield and Sheffield HQ. FAG spherical roller bearings, INA needle roller bearings, and LuK automotive.
• Schneider Altivar vs Danfoss VLT UK 2026 - Schneider Altivar vs Danfoss VLT variable frequency drives compared. Programming, fieldbus support, UK service network, harmonic content for industria
• Sealol Mechanical Seals UK Models Cross Reference - Sealol mechanical seals: 600/680 series, UK availability, cross-reference. Founded 1947, PSG supplies. Get UK lead times and equivalents chart.
• Sepco Mechanical Seals UK Models Cross Reference - Sepco (Sealing Equipment Products) mechanical seals: key models, UK availability, cross-reference. USA, founded 1979. Get a UK quote.
• Simriz SZ481 FFKM O-Ring Specs UK Suppliers - Simriz SZ481 FFKM O-ring: 75 Shore A, -10°C to 230°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Simriz SZ485 FFKM O-Ring UK Suppliers - Simriz SZ485 FFKM O-ring: 75 Shore A, -10°C to 280°C, BS/AS568 sizes. Chart compares equivalents and lists UK suppliers.
• Simriz SZ487 FFKM O-Ring UK Suppliers - Simriz SZ487 FFKM O-ring: 75 Shore A, -10°C to 300°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Simriz SZ498 FFKM O-Ring Specs UK Suppliers - Simriz SZ498 FFKM O-ring: 90 Shore A, 0°C to 327°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• SKF UK - SKF UK: deep groove ball bearings, Luton HQ. rolling element bearings; invented the self-aligning spherical roller bearing.
• SKF vs FAG Bearings UK Comparison 2026 - SKF vs FAG deep groove ball bearings compared. Manufacturing origin, ABMA precision class, life ratings, UK availability and trade prices — engineer's
• SKF vs NSK Bearings: UK Trade Comparison (2026) - SKF vs NSK deep groove and tapered roller bearings compared. ABMA accuracy class, life ratings, UK availability, trade prices and OEM-spec base.
• SKF vs Timken Bearings: UK Buyer Comparison - SKF vs Timken bearings: SKF leads in ball bearings, Timken invented tapered rollers. Cross-reference standard sizes per ISO 15. UK buyer comparison.
• Spanner Size Chart for Metric Bolts - Spanner size chart for metric bolts M3 to M30. Across-flats spanner sizes (ISO and DIN) plus hex-key sizes for socket cap screws.
• Spring Rate Calculation and Selection Guide - Spring rate calculation guide for compression springs using 1.5mm wire and 8 coils, providing accurate formulas and worked examples for design enginee
• Stainless Steel Grades for Engineering Applications - Stainless Steel Grades for Engineering Applications. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selectio
• Stainless Steel Grades Reference - Stainless steel grades 304, 316, 321, 2205 duplex, A2-70, A4-80 explained. EN and AISI codes, tensile strength, typical uses, and corrosion resistance
• Stein Seal Mechanical Seals UK Models Crossref - Stein Seal mechanical seals: models, UK availability, cross-reference. Founded 1958, UK lead time 2-7 days for stock seals. Get specs and equivalents.
• Tanken Seiko Mechanical Seals UK Models - Tanken Seiko mechanical seals: TS, TG, TC series; UK lead time 2-7 days for stock models. Find suppliers and equivalents here.
• Tecnoflon PFR94 O-Ring Specs UK Suppliers - Tecnoflon PFR PFR94 FFKM O-ring: 75 Shore A, -10°C to 230°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Tecnoflon PFR95 FFKM O-Ring UK Suppliers - Tecnoflon PFR PFR95 FFKM O-ring: 90 Shore A, -10°C to 250°C, BS/AS568/ISO sizes. UK suppliers, equivalents, datasheet.
• Thread pitch chart - M1.6 to M64 (ISO 261) - Metric thread pitch chart from M1.6 to M64 covering ISO 261 and ISO 724 standards, includes tap drill sizes for both coarse and fine pitches.
• Timken UK - Timken UK Limited manufactures tapered roller bearings in Wolverhampton since 1899; find verified suppliers by SIC code 28150 for bearings and more.
• TNG Seal Mechanical Models UK Cross-reference - TNG Seal mechanical seals: key models, UK availability, cross-reference. China, founded 2002. Get a UK quote.
• Torx Size Chart - Torx size chart T6 to T55 with point-to-point dimensions in mm and typical uses. Identify Torx driver sizes plus security and external Torx.
• Trelleborg UK - Trelleborg UK: hydraulic seals, Solihull and Tewkesbury HQ. engineered sealing solutions for hydraulics, aerospace, and process industries.
• UNC and UNF Thread Sizes Chart - UNC and UNF thread sizes from #4 to 1 inch. Threads per inch and tap drill sizes for coarse and fine unified threads, from ASME B1.1.
• US Seal Mechanical Models UK Cross-Ref - US Seal Manufacturing mechanical seals: key models, UK availability, cross-reference. USA, founded 1945. Get a UK quote.
• V-Belt and Timing Belt Selection Guide - V-Belt and Timing Belt Selection Guide. Practical guide with specifications, material grades, ISO/BS standards, and step-by-step selection criteria fo
• V-Belt Length Calculator - V-belt length calculator: pitch length from pulley diameters and centre distance. Classical A/B/C and narrow SPA/SPB/SPC sections.
• Vijayasri Pump Mechanical Seals UK Models - Vijayasri Pump Components mechanical seals: models VPC component and cartridge, UK availability, cross-reference. Get current UK quotes and lead times
• Vulcan Seals Mechanical Models UK Cross-Ref - Vulcan Seals mechanical seals: key models, UK availability, cross-reference. Republic of Ireland / UK, founded 1977. Get a UK quote.
• Welding Inverter UK 2026 TIG MIG Review - ESAB, Murex, Parweld and Sealey welding inverters reviewed. TIG, MIG and MMA picks for trade workshops, with AC TIG for aluminium.