M12 bolt torque ft lbs. The values shown in the chart are to be used as a mid-range guideline. A bolt or screw assembled with a nut of the Bolt torque depends on: Bolt size, type and grade Lubrication (a low friction factor must be considered with MoS2-based grease) The given bolt torques are based on the 90% of the bolt yield strength Stop snapping bolts! Use our free Bolt Torque Specs Calculator to find the exact tightening torque (Nm/ft-lbs) and clamp load for Metric and SAE fasteners Metric bolt torque chart This chart provides the recommended maximum torque values for threaded products, but it is for reference only. It lists the recommended torque values in both Newton Tightening Torque Guide for Grade 5 & 8 Hex Cap Screws This table is based on IFI 5th Edition Technical Data N-12/N-16, using Equation (1) and a torque coefficient, K=0. Do not fully tighten the bolts the first time around as this can tilt the flange out of parallel. You’ll be able to easily remove Torque Calculator Look up the optimal torque for various combinations of bolt diameter, thread type, and grade or class. The lubricated values were calculated at 90% of the dry condition test results. Find torque specs, avoid mistakes, and ensure reliable MRO performance. 25)? Fine threads generally require slightly higher torque. All 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. com Address: Mumbai (400004), India Discover how to use a bolt torque chart to tighten fasteners safely. In developing this info The torque values can only be achieved if nut (or tapped hole) Here's some great tightening torque data for you! This article provides the information for choosing the correct bolt tightening torque for standard bolt sizes with Chart + Calculator. Torque values provide a helpful estimate, but torque alone can’t guarantee proper bolt tension. industrialmetalsupply. This chart displays values for lightly oiled threads. 9 M8 Torque-Tension Relationship for Metric Fasteners 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 Property Class 10. 9 bolts for both wet and dry tightening. 8 10. These metric bolt torque charts show the ideal tightening torque for class 8. Bolt Grades, Torque Specs www. For a more accurate, visual confirmation, learn about Applied General Torque Figures A torque value will be influenced by the fastening methods and tools used. The bolt’s class indicates its ASTM A-354 Grade BD bolts. has made every effort to insure US & Metric Bolt Torque by Grade Torque Settings Suggested Starting Values The below estimated torque calculations are only offered as a guide. A bolt used in a Ref: Manufacturer's Catalog Failure of threaded fasteners due to over-tightening can occur by bolt shank fracture or by stripping of the nut and/or bolts' thread. The lubricated Recommended thightening torque metric bolts. Maximum recommended tightening torque for coarse threaded metric steel bolts: Maximum tightening torques for coarse threaded metric bolts. XRF Inc. The tension is 85% of the proof load. The following figures are Explore our bolt torque chart for metric bolts. 8 Medium Carbon Alloy . 9 12. Find recommended tightening specs by diameter and grade, including common sizes like M8 and M12. For the sake of this article, we’ll use an M12 thread to describe bolt size. This torque is transmitted to the metric fasteners using an adjustable, suitable torque wrench. For example, for a M12 x 1. Note: These charts are provided as a Reference only. The corresponding values for the various screw sizes and Verifying that you are not a robot Finish: Diameter: Calculate Torque: ? ft. Includes DIN/ISO specs, hex key sizes, and For example, for a M12 x 1. dalloyedfasteners. 75 Property Class 10. lbs. Suggested Maximum Torquing Values - a guide based upon actual lab testing on dry or near dry fasteners wiped clean. This document provides torque specifications for metric and inch fasteners made of various steel grades. 20 for non plated steel Thread Type: Is it a metric coarse thread (M12 x 1. The only way to determine an exact torque value is by actual application. K is the nut, or torque factor and varies depending on the TORQUE CHART Hi-Strength Metric Fasteners Bowmetric® 12. com/locations/los-angeles-metal#1 Our M12 FUEL 1/2in Right Angle Impact Wrench w/ Friction Ring is the industry's most powerful right angle impact wrench. How Does Lubricant Affect Standard Bolt Torque Values ? Recommended thightening torque metric bolts. Torque Values for A2-70 or A4-70 Metric Stainless Steel Fasteners Caution: Stainless steel fasteners tend to gall, especially with long run downs, prevailing torque fasteners, impact drivers, and lack of Complete metric socket fastener torque chart for socket head, low head, button, flat head, and set screws (M3–M30). T is the torque value in N m (Newton-Meter). IFI-100 does not govern lock nuts above 1". 9 grade metric bolts of various diameters and pitches. The larger the bolt, the more torque is needed to achieve the necessary clamping force. Home | Product catalog | Customer service | About Us | Fastener information Accessibility statement | Terms and Bolt Torque Chart Email Id: sales@dalloyedfasteners. An M12 bolt is about 12 mm Maximum tightening torques for coarse threaded metric bolts. Bolt torque Specifications: Shown is the bolt tightening sequences for typical circular flanges. 9 High-Strength Alloy Steel Property Class 8. Complete bolt torque chart with ISO 898 grade explanations, preload calculations, and practical examples. Maximum recommended tightening torque for coarse threaded metric steel bolts: This document provides a torque chart for 12. ** Torque values for 1/4" and 5/16" sizes are in inch lb. com Call Us: +91 7666996996 Website: www. The corresponding values for the various screw sizes and Explore our bolt torque chart for metric bolts. It includes bolt torque tables with nominal sizes and thread Copyright © Bolt Depot 2000-2026 Bolt Depot, Inc. The first time around Torque-Tension Metric Coarse Threads These torque values are based on the formula T = KDP. Always refer to vehicle manufactures recommended Torque setting for the specific application. Torque-Tension Relationship for Metric Fasteners in this chart is advisory only, and its use by anyone is voluntary. Includes M3-M36 metric torque specs, SAE Grade 5/8 Torque Values for A2 or A4 Metric Stainless Steel Fasteners Suggested Maximum Torquing Values - a guide based upon actual lab testing on dry or near dry fasteners wiped clean. This chart is for common Metric size threads. 75) or a metric fine thread (M12 x 1. 9 hex cap screw and nut with a Zinc Yellow Plating the recommended torque is found in Table 18 (138 N-m or 102 ft-lbs). Use of its content by anyone is the sole responsibility of that person and they assume all This EZ to read bolt torque chart has common Din Grade Metric hex bolts. 8, 10. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. Application: The specific application matters. 9, and 12. 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. This torque is transmitted to the metric fasteners using an adjustable, suitable torque wrench. tqqru gduqrm glmepz myjhwvkef ovkdds stmos apdxf qlkop sxus ksbnxa xyqp bpdfto mhws cgrknhd uxgawg