These recommendations are for non-gasketed metal-to-metal joints. CAUTION: All material included in these charts is advisory only, and its use by anyone is voluntary. In developing this information, Fastenal has made a determined effort to present its contents accurately.
Torque Table Standard Bolt Sizes SAE - Engineers Edge
The following suggested tightening torques provide an excellent starting point for determining torque requirements. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. This table is offered as the suggested maximum torque values for threaded products and is only a guide.
Bolt Torque Chart
Due to many variables that affect the torque-tension relationship like human error, surface texture, and lubrication the only way to determine the correct torque is through experimentation under actual joint and assembly conditions.
Grade 2, 5, and 8 values are for plated bolts.
Torque specifications, especially for critical joints, should be determined under actual assembly conditions due to the many variables involved which are difficult to predict and do affect the torque-tension relationship.
Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above.
Bolt Torque Chart - repairengineering.com
Bolt Torque Chart showing suggested torque values and corresponding bolt clamping forces for various sizes and specifications of fasteners.
Stainless Steel and Non-Ferrous are suggested maximum torque values based on actual lab testing. Stainless steel fasteners tend to gall while being tightened.
US Recommended Bolt Torque
* Sizes from #4 to #10 are in lb-in. Sizes from 1/4" up are in lb-ft. † Fine thread figures are for 1"-14. Grade 2, 5, and 8 values are for slightly lubricated bolts.
Useful Bolt Charts (Recommended torque, Conversion charts, Head Bolt …
2020年10月4日 · Standard recommended torque spec for each size bolt: Conversion factor based on bolt condition (reduce by 30% for heavily greased [anti-seized] bolts): Coefficient factor indicates bolt condition (k factor indicates dry, vs lubed, vs greased, etc), koken chart is based on k = .2 which is generally new and dry).
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