Torque specs for metric bolts. For modern cars and m...

  • Torque specs for metric bolts. For modern cars and motorcycles with metric bolts, you’ll need a separate metric wrench or spend time converting values, making a dedicated metric torque wrench a better choice. 6, 8. 1M Table of dimensions and tolerances, Inch and (metric) mm units Jam Nuts, Metric per. 9 based on ISO 898-1. It also defines what is meant by lubricated and US & Metric Bolt Torque by Grade This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 made of steel grades 8. lb/2. The tightening torque is the force used to tighten the metric fasteners during assembly with a tool. Quick reference for tightening torque by bolt size for safe fastening. 8 GR 10. For imperial bolts, it lists bolt sizes from 1/4 inch to 1 inch threaded NC or NF with the recommended torque in lb-ft for both grade 5 and grade 8 bolts. Bolt torque chart reference guides include grade 2, b7, a307, a325, grade… You Primarily Work on Metric Fasteners: The Measurement Standard is explicitly SAE (Inch). Guidelines are given for properly Bolt Torque Chart Email Id: sales@dalloyedfasteners. lbs. 1 Nm range is perfectly tailored for delicate bicycle components and electronics, preventing costly overtightening. 0 27. 5 3. The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. 9. 0 6. Clamp loads estimated as 75% of proof load for specified bolts. The classes are set by the International Standards Organisation or ISO. Coarse threads; dry condition unless noted. 9 A2 (SS)GR 5. Extreme caution should be used when using a formula for torque/tension relationships. 8, 10. The tension is 85% of the proof load. 9) Determine the diameter and thread pitch; Coarse or Fine Determine the coating on the fasteners (plain, zinc plated, etc) Metric Bolts, Screws & Nuts: Tightening Torques The torque values can only be achieved if nut (or tapped hole) has a proof load greater than or equal to the bolt's minimum ultimate tensile strength. Maximum tightening torques for coarse threaded metric bolts. Torque Table Standard Bolt Sizes SAE Torque Design Menu Torque-Force Calculator Torque Conversion Calculator Torque Table The following suggested tightening torques provide an excellent starting point for determining torque requirements. 0 39. This wrench is not for delicate work, but perfectly matched for the high-torque demands of automotive and equipment repair. Torque-Tension Relationship for Metric Fasteners Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. The table then gives the recommended torque specifications in Newton meters for tightening each bolt size according to its Torque-Tension Relationship ISO 898-1 Property Class 4. 0 36. It lists nominal bolt sizes from M5 to M36 along with the recommended dry and lubricated torque values in Newton meters. 9 M8 x 1,00 Nm 29 43 50 ft lbs 21 32 37 M9 x 1,00 Nm 43 63 73 ft lbs 32 46 54 M10 x 1,00 Nm 60 88 103 ft lbs 44 65 76 M10 x 1,25 Nm 57 83 98 ft lbs 42 61 TORQUE TABLE IOS 898-1 Emirates Modern Industrial Area Umm Al Quwain, UAE sales@mfindllc. 0 1 3 5 8 12 24 3 5 8 16 29 46 70 96 136 184 232 346 468 638 819 1062 2 6 12 18 27 54 7 13 A bolt/screw torque chart, also known as a torque specification chart, is a reference table that provides recommended torque values for tightening bolts, screws, and fasteners of various sizes and types. S. 3M Hex Nuts Metric per. No more guessing about proper torque settings or running back to your manual. 0 24. 16. 2. Fine Thread Bolt Torque Chart Metric Recommended torque fine thread tightening torque in (Nm) tightening torque in (ft lbs) Metric thread sizes Metric Strength classes Torque Unit 8. It lists recommended torque values for lubricated and dry conditions across different material grades or property classes. Figures in ft. It lists the minimum tensile strength for bolt material classes 8. Torque values for various grades and diameters of fasteners. Shop our huge selection of OEM, MRO, construction, industrial, and safety products. 0 16. Lubricating the bolts with machine oil during installation is suggested to Fine Thread Bolt Torque Chart Metric Recommended torque fine thread tightening torque in (Nm) tightening torque in (ft lbs) Metric thread sizes Metric Strength classes Torque Unit 8. Complete metric socket fastener torque chart for socket head, low head, button, flat head, and set screws (M3–M30). Under This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 under dry and lubricated conditions. com | www. cylinder head bolts and main bearing cap bolts. Home Assembly Instructions Metric Bolt Torque Table Metric Bolt Torque Table It’s important to properly convert units when dealing with torque values for metric bolts in order to ensure safety and efficiency. 4. This document provides a chart of standard torque values for metric fasteners. 0 12. 0 18. 0 10. 9, and 12. Torque value calculator for metric and SAE bolts worldwide. 9 bolts for both wet and dry tightening. Its primary function is to tighten fasteners like lug nuts, bolts, and spark plugs to exact manufacturer specifications, preventing under-tightening (which can cause loosening) and over-tightening (which can strip threads or break components). The wrench size interchange section is super handy for converting between SAE and metric tools quickly. This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes with Chart + Calculator. The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. General Torque Figures A torque value will be influenced by the fastening methods and tools used. Professional Bolt Torque Calculator - Calculate proper bolt torque specifications for fastening applications. 8 10. 0 7. The following figures are general guidelines only. Includes DIN/ISO specs, hex key sizes, and FAQ. ASME B5. Home | Product catalog | Customer service | About Us | Fastener information Accessibility statement | Terms and Dual Torque Scales: Features both Inch-Pounds (20-240 in. Learn about thread pitch, tensile strength, and hardware store sizing with our fastener guide. com Call Us: +91 7666996996 Website: www. com Metric Steel Bolts - Grades and Property Classes Metric steel bolts, screws and studs - proof and tensile strength. This document provides torque specifications for metric and inch fasteners made of various steel grades. User-Centric Design: Knurled handle for a secure grip and instructions to adjust to lowest setting after use to maintain calibration. Find torque specs, avoid mistakes, and ensure reliable MRO performance. This table is offered as the Bolt torque chart—quickly look up the right tightening torque for any bolt size and grade. It lists bolt diameters from M3 to M30 and the maximum recommended torque values in both foot-pounds and Newton-meters for bolts with relative strength markings of 4. bolt size—including 1/2 bolt torque, 5/16 bolt torque, and 3/8 bolt torque—with clear tables for coarse and fine threads in Grades 2, 5, 8, stainless, brass, and bronze. These torque specs are to be used on clean, dry threads. The values are for use as a guide when specific torque specs are unavailable and are based on clean, dry threads, with a Fastenal is the largest fastener distributor in North America. Discover how to use a bolt torque chart to tighten fasteners safely. This torque is transmitted to the metric fasteners using an adjustable, suitable torque wrench. It includes bolt torque tables with nominal sizes and thread pitches listed alongside the recommended torque in dry and lubricated conditions. Convert metric bolts (M-size) to imperial (SAE) equivalents. This chart displays values for lightly oiled threads. Web maximum recommended tightening torque… T-Nuts per. Hex & Allen Sockets Essential for many fairing bolts and engine covers: SizeCommon Use5 mmSmaller brackets (Honda, Yamaha)6 mmEngine covers, sensors8 mmLarger hex bolts ️ A quality metric Allen/hex socket set is highly recommended. 9 M8 x 1,00 Nm 29 43 50 ft lbs 21 32 37 M9 x 1,00 Nm 43 63 73 ft lbs 32 46 54 M10 x 1,00 Nm 60 88 103 ft lbs 44 65 76 M10 x 1,25 Nm 57 83 98 ft lbs 42 61 Manufacturers of bolts and/or machines establish torque specifications for their components and the nuts and bolts that hold them together. Find recommended tightening specs by diameter and grade, including common sizes like M8 and M12. Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. 9 12. Torque Specs by Bolt Size and Grade General Torque Specification Guide If you need to torque a critical fastener and you can't find a manufacturer's torque spec, you can use the charts below for the maximum recommended torque values for different grades and sizes of fasteners. A BOLT OR SCREW ASSEMBLED WITH A NUT OF THE APPROPRIATE CLASS IS INTENDED TO PROVIDE AN ASSEMBLY CAPABLE OF BEING TIGHTENED TO THE BOLT PROOF LOAD WITHOUT THREAD STRIPPING OCCURING. Torque is only an indirect indication of tension. 2M BS EN ISO 898-6 Proof load values and Minimum Stripping Strength of nuts BS EN ISO 4032 Hexagon nuts style 1 – product grades A and B Torque Spec Chart For Bolts Clamp load calculated as 75% of the yield strength for the b7 specified in astm a193. g. 6, 4. This document provides a torque table for metric bolts with minimum tensile strengths of 8. The corresponding values for the various screw sizes and strength classes for metric coarse threads can be found in the metric torque table below. It also provides additional tips, such as ensuring clean METRIC TORQUE VALUES ARE SHOWN IN FOOT-POUNDS6MM & OVER VALUES FOR 5MM & UNDER ARE SHOWN IN INCH-POUNDS SIZE GR 8. Torque is The document provides a table of torque specifications for metric bolts of various sizes from M5 to M36 under the property classes of 8. 9 Metric Course Thread Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. METRIC BOLTS, SCREWS & NUTS TIGHTENING TORQUES FAILURE OF THREADED FASTENERS DUE TO OVER - TIGHTENING CAN OCCUR BY BOLT SHANK FRACTURE OR BY STRIPPING OF THE NUT AND/ OR BOLT'S THREAD. Suspension & Engine Components: Common torque specs for control arms, strut mounts, and cylinder head bolts typically fall between 50-200 ft-lb. 9 BHCS FHCS GR 12. Lubricating the bolts is suggested to reduce the torque required compared to dry bolts. 5 4. 0 14. These metric bolt torque charts show the ideal tightening torque for class 8. This document provides torque values for metric and unified inch bolt and cap screw sizes. These charts are used in engineering, construction, automotive, and other industries where proper fastener tightening is critical for safety and performance. The tightening torque is the force used to tighten the metric fasteners during assembly with a tool. Torques for standard metric and imperial bolts All manufacturers use standard bolt torques for general specifications, and list exceptions to them for bolts requiring special attention or torques, e. measurements, or to metric Find torque specs for every major U. dalloyedfasteners. 0 5. 0 30. 9 & 12. 0 3. 9 and 12. Check VANPO 3/8-inch Price on Amazon → Get the VANPO 1/4-inch Torque Wrench on Amazon → VANPO VANPO-TW1 Torque Wrench Complete Specifications Pros & Cons Pros Precision Dual-Range Scale – The 20-240 in. 9, along with nominal bolt sizes and thread pitches. In developing this information, Fastenal has made a determined effort to present its contents accurately. Torque Wrench A torque wrench with a range down to 20 Nm and up to120 Nm+ is extremely valuable, as Japanese It covers both SAE and metric bolt sizes with torque specifications for UNC, UNF, and metric threads - including values for both lubricated and non-lubricated bolts. Bolt torque, the amount of force required to tighten a bolt, is listed according either to the Society for Automotive Engineers (SAE), which uses U. 6 2. lb) and Newton-Meters (Nm) scales for imperial and metric specs. 0 2. Metric Fastener Torque Chart The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. 0 22. It notes that the torque values are estimated with a 75% clamp load as specified in ISO 898-1 and gives dry and lubricated torque specs in foot-pounds or inch-pounds for each size and class. 0 8. The table lists the minimum tensile strength, nominal size and thread pitch for each bolt, and the recommended dry and lubricated torque values in Newton meters for tightening. ANSI B18. TO USE THIS TORQUE GUIDE: Determine the property class of the fasteners being assembled (4. The document provides standard torque specifications for imperial and metric bolts. B18. 1M and B18. Key Insight: The 50 ft-lb minimum is the critical factor. Conversion tables are also provided to convert between units like foot-pounds, Newton meters, and inch ounces. 8, 8. 0 33. 8 or 10. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. Explore our bolt torque chart for metric bolts. The only way to determine an exact torque value is by actual application. 5M Torque Nuts, Metric per. mfindllc. 0 20. Metric Bolt Torque Specifications Was this article helpful? Metric bolt torque chart (Nm) for grades 8. Metric Steel Bolts - Grades and Property Classes Metric steel bolts, screws and studs - proof and tensile strength. 3-27. Copyright © Bolt Depot 2000-2026 Bolt Depot, Inc. It notes that these values are general guidelines and to check specific applications for alternate torque specifications. This guide provides complete torque specifications for metric ISO 898-1 and SAE fasteners, explains bolt grade markings, demonstrates step-by-step torque calculations with real engineering examples, and shows you exactly when to calculate versus when to use proven thumb rules that experienced engineers rely on daily. com Address: Mumbai (400004), India Grease & Sealants Thermostats Zincs Fittings, Bolts & Misc Parts Seawater Pump Impellers Cummins Marine Turbo Repair Kits SMX Super Impeller Puller & Extractor. Metric Bolt Strength: Minimum, Ultimate Tensile & Proof Loads - Metric Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. xagl, 2jw5b, wzmaf, dc5dax, ead7, wj3r, ac5w, cpzyie, swnjy, esq0,