Torque Table Standard Bolt Sizes SAE

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Torque Table

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.

Torque Values = inch-lbs

Bolt Size 18-8 Stainless Steel Brass Aluminum 2024-T4 316 Stainless Steel Nylon
2 - 56 2.5 2.0 1.4 2.6 0.44
4 - 40 5.2 4.3 2.9 5.5 1.19
4 - 48 6.6 5.4 3.6 6.9  
6 - 32 9.6 7.9 5.3 10.1 2.14
6 - 40 12.1 9.9 6.6 12.7  
8 - 32 19.8 16.2 10.8 20.7 4.30
8 - 36 22.0 18.0 12.0 23.0  
10 - 24 22.8 18.6 13.8 23.8 6.61
10 - 32 31.7 25.9 19.2 33.1 8.20
1/4" - 20 75.2 61.5 45.6 78.8 16.00
1/4" - 28 94.0 77.0 57.0 99.0 20.80
5/16" - 18 132.0 107.0 80.0 138.0 34.90
5/16" - 24 142.0 116.0 86.0 147.0  
3/8" - 16 236.0 192.0 143.0 247.0  
3-8" - 24 259.0 212.0 157.0 271.0  
7/16" - 14 376.0 317.0 228.0 393.0  
7/16" - 20 400.0 357.0 242.0 418.0  
1/2" - 13 517.0 422.0 313.0 542.0  
1/2" - 20 541.0 443.0 328.0 565.0  
9/16" - 12 682.0 558.0 413.0 713.0  
9/16" - 18 752.0 615.0 456.0 787.0  
5/8" - 11 1110.0 907.0 715.0 1160.0  
5/8" - 18 1244.0 1016.0 798.0 1301.0  
3/4" - 10 1530.0 1249.0 980.0 1582.0  
3/4" - 16 1490.0 1220.0 958.0 1558.0  
7/8" - 9 2328.0 1905.0 1495.0 2430.0  
7/8" - 14 2318.0 1895.0 1490.0 2420.0  
1" - 8 3440.0 2815.0 2205.0 3595.0  
1"- 14 3110.0 2545.0 1995.0 3250.0