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.
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
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
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
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: pneumatic cylinders, Northampton HQ. pneumatic and electric automation components for factory and process applications.
Flange PCD and Bolt Hole Chart - Flange PCD chart for EN 1092-1 PN 16 (DN 15 to DN 500) and ANSI B16.5 Class 150 (1/2 inch to 12 inch). Bolt count, hole size, and bolt grade for each.
Grant UK - Grant UK manufactures oil boilers, biomass boilers, and Aerona heat pumps from Devizes, Wiltshire; find verified suppliers in SIC category 28210 direc
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 / Allen Key Sizes Chart - Hex key / Allen key size chart for metric (ISO 4762) and imperial (ASME B18.3) socket head cap screws. M3 needs 2.5 mm key, M6 needs 5 mm, M10 needs 8
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
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
M12 Bolt Specifications - M12 bolt specifications: 1.75 mm coarse pitch, 10.2 mm tap drill, 18.0 mm spanner, 10.0 mm hex key, 85 Nm torque for class 8.8. Complete ISO 261 refer
M16 Bolt Specifications - M16 bolt specifications: 2.0 mm coarse pitch, 14.0 mm tap drill, 24.0 mm spanner, 14.0 mm hex key, 210 Nm torque for class 8.8. Complete ISO 261 refer
M20 Bolt Specifications - M20 bolt specifications: 2.5 mm coarse pitch, 17.5 mm tap drill, 30.0 mm spanner, 17.0 mm hex key, 405 Nm torque for class 8.8. Complete ISO 261 refer
M24 Bolt Specifications - M24 bolt specifications: 3.0 mm coarse pitch, 21.0 mm tap drill, 36.0 mm spanner, 19.0 mm hex key, 690 Nm torque for class 8.8. Complete ISO 261 refer
M5 Bolt Specifications - M5 bolt specifications: 0.8 mm coarse pitch, 4.2 mm tap drill, 8.0 mm spanner, 4.0 mm hex key, 5.9 Nm torque for class 8.8. Complete ISO 261 reference
M6 Bolt Specifications - M6 bolt specifications: 1.0 mm coarse pitch, 5.0 mm tap drill, 10 mm spanner, 5 mm hex key, 10 Nm torque for class 8.8. Full ISO 261 reference card.
M8 Bolt Specifications - M8 bolt specifications: 1.25 mm coarse pitch, 6.8 mm tap drill, 13.0 mm spanner, 6.0 mm hex key, 25 Nm torque for class 8.8. Complete ISO 261 referenc
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
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.
Norgren UK - Norgren UK manufactures pneumatic valves since 1947 in Lichfield; find authorised distributors and product specs for FRLs and ISO cylinders.
NSK UK - NSK UK: ball bearings, Newark, Nottinghamshire and Peterlee, County Durham HQ. precision ball bearings and linear motion products.
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 Chart - BS 1806 - BS 1806 O-ring size chart from BS001 to BS050. Inside diameter, cross-section in mm and inches. Free lookup table for UK engineers and maintenance tea
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.
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.
Renold UK - Renold UK manufactures roller chain since 1879 in Manchester, offering gearboxes, couplings. Find verified suppliers by SIC code 28150 for genuine par
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.
SKF UK - SKF UK: deep groove ball bearings, Luton HQ. rolling element bearings; invented the self-aligning spherical roller bearing.
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.
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
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.
Trelleborg UK - Trelleborg UK: hydraulic seals, Solihull and Tewkesbury HQ. engineered sealing solutions for hydraulics, aerospace, and process industries.
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.