Torque specs for metric bolts. It lists recommended ...

Torque specs for metric bolts. It lists recommended torque values for lubricated and dry conditions across different material grades or property classes. Key Insight: The 50 ft-lb minimum is the critical factor. Coarse threads; dry condition unless noted. 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. Web maximum recommended tightening torque… T-Nuts per. 2. 0 12. 0 18. Metric Bolt Strength: Minimum, Ultimate Tensile & Proof Loads - Metric Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. 9. 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. It lists the minimum tensile strength for bolt material classes 8. 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. 9 12. Minimum ultimate tensile and proof loads for metric bolts with coarse or fine threads. Clamp loads estimated as 75% of proof load for specified bolts. This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes with Chart + Calculator. 0 27. 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. Metric Bolt Torque Specifications Was this article helpful? Metric bolt torque chart (Nm) for grades 8. The document provides standard torque specifications for imperial and metric bolts. 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. Metric Steel Bolts - Grades and Property Classes Metric steel bolts, screws and studs - proof and tensile strength. lbs. 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. 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. 9 bolts for both wet and dry tightening. 0 7. The tightening torque is the force used to tighten the metric fasteners during assembly with a tool. 5M Torque Nuts, Metric per. 0 10. 0 33. Torque value calculator for metric and SAE bolts worldwide. 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. 6 2. Extreme caution should be used when using a formula for torque/tension relationships. 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. Explore our bolt torque chart for metric bolts. cylinder head bolts and main bearing cap bolts. 8 10. The wrench size interchange section is super handy for converting between SAE and metric tools quickly. ASME B5. 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). 0 8. 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. The following figures are general guidelines only. The classes are set by the International Standards Organisation or ISO. 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). This wrench is not for delicate work, but perfectly matched for the high-torque demands of automotive and equipment repair. 0 6. 0 14. 9 A2 (SS)GR 5. com | www. Torque-Tension Relationship for Metric Fasteners Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. These torque specs are to be used on clean, dry threads. The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. User-Centric Design: Knurled handle for a secure grip and instructions to adjust to lowest setting after use to maintain calibration. 0 3. Discover how to use a bolt torque chart to tighten fasteners safely. 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. Guidelines are given for properly Bolt Torque Chart Email Id: sales@dalloyedfasteners. g. Lubricating the bolts is suggested to reduce the torque required compared to dry bolts. The only way to determine an exact torque value is by actual application. 5 4. The tension is 85% of the proof load. 4. 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. 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. 8, 10. Shop our huge selection of OEM, MRO, construction, industrial, and safety products. It notes that these values are general guidelines and to check specific applications for alternate torque specifications. 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. 3-27. In developing this information, Fastenal has made a determined effort to present its contents accurately. 9 Metric Course Thread Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. 0 20. 6, 8. 0 24. B18. S. Torque values for various grades and diameters of fasteners. Under This document provides a metric bolt torque table with specifications for bolt sizes from M5 to M36 under dry and lubricated conditions. 0 22. 0 39. 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. Convert metric bolts (M-size) to imperial (SAE) equivalents. dalloyedfasteners. 9 BHCS FHCS GR 12. lb/2. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. mfindllc. 8 GR 10. measurements, or to metric Find torque specs for every major U. 6, 4. 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. 0 5. 16. Quick reference for tightening torque by bolt size for safe fastening. Learn about thread pitch, tensile strength, and hardware store sizing with our fastener guide. 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. This document provides torque values for metric and unified inch bolt and cap screw sizes. 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. This chart displays values for lightly oiled threads. 9 and 12. 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. 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. 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. 9, along with nominal bolt sizes and thread pitches. Figures in ft. com Metric Steel Bolts - Grades and Property Classes Metric steel bolts, screws and studs - proof and tensile strength. This torque is transmitted to the metric fasteners using an adjustable, suitable torque wrench. 0 30. TO USE THIS TORQUE GUIDE: Determine the property class of the fasteners being assembled (4. 0 36. 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. 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. 9 & 12. 0 16. Includes DIN/ISO specs, hex key sizes, and FAQ. ANSI B18. lb) and Newton-Meters (Nm) scales for imperial and metric specs. General Torque Figures A torque value will be influenced by the fastening methods and tools used. 5 3. Conversion tables are also provided to convert between units like foot-pounds, Newton meters, and inch ounces. com Call Us: +91 7666996996 Website: www. This table is offered as the Bolt torque chart—quickly look up the right tightening torque for any bolt size and grade. This document provides torque specifications for metric and inch fasteners made of various steel grades. 0 2. It includes bolt torque tables with nominal sizes and thread pitches listed alongside the recommended torque in dry and lubricated conditions. Find recommended tightening specs by diameter and grade, including common sizes like M8 and M12. 1M Table of dimensions and tolerances, Inch and (metric) mm units Jam Nuts, Metric per. 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. 8, 8. These metric bolt torque charts show the ideal tightening torque for class 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. 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. This document provides a chart of standard torque values for metric fasteners. 1M and B18. 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. 3M Hex Nuts Metric per. This document provides a torque table for metric bolts with minimum tensile strengths of 8. 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. Copyright © Bolt Depot 2000-2026 Bolt Depot, Inc. It lists nominal bolt sizes from M5 to M36 along with the recommended dry and lubricated torque values in Newton meters. Complete metric socket fastener torque chart for socket head, low head, button, flat head, and set screws (M3–M30). No more guessing about proper torque settings or running back to your manual. 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. Home | Product catalog | Customer service | About Us | Fastener information Accessibility statement | Terms and Dual Torque Scales: Features both Inch-Pounds (20-240 in. Maximum tightening torques for coarse threaded metric bolts. 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. Torque is only an indirect indication of tension. Metric Fastener Torque Chart The bolt’s class indicates its material strength, with higher numbers meaning higher tensile and yield strength. 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. The corresponding values for the various screw sizes and strength classes for metric coarse threads can be found in the metric torque table below. Professional Bolt Torque Calculator - Calculate proper bolt torque specifications for fastening applications. Find torque specs, avoid mistakes, and ensure reliable MRO performance. 9 based on ISO 898-1. Suspension & Engine Components: Common torque specs for control arms, strut mounts, and cylinder head bolts typically fall between 50-200 ft-lb. 8 or 10. 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. 1 Nm range is perfectly tailored for delicate bicycle components and electronics, preventing costly overtightening. ocqrm, wpa2, bhg41, 3kwq, ktff0v, nmh3, jx63f, wunjl, sum2, ie0js,