PRINTED IN U.S.A. 107 913287/BP0808
Dry Lubed Dry Lubed Dry Lubed
Grade 2
Grade 5
Grade 8
Unified National
Thread
Torque Specifications
Use these torque values when tightening hardware (excluding: locknuts and self-tapping, thread-forming and
metal screws) unless otherwise specified.
8-32 19* 14* 30* 22* 41* 31*
8-36 20* 15* 31* 23* 43* 32*
10-24 27* 21* 43* 32* 60* 45*
10-32 31* 23* 49* 36* 68* 51*
1/4-20 66* 50* 9 75* 12 9
1/4-28 76* 56* 10 86* 14 10
5/16-18 11 9 17 13 25 18
5/16-24 12 9 19 14 25 20
3/8-16 20 15 30 23 45 35
3/8-24 23 17 35 25 50 35
7/16-14 32 24 50 35 70 55
7/16-20 36 27 55 40 80 60
1/2-13 35 35 75 55 110 80
1/2-20 40 40 90 65 120 90
9/16-12 55 55 110 80 150 110
9/16-18 60 60 120 90 170 130
5/8-11 75 75 150 110 220 170
5/8-18 85 85 180 130 240 180
3/4-10 130 130 260 200 380 280
3/4-16 150 150 300 220 420 320
7/8-9 125 125 430 320 600 460
7/8-14 140 140 470 360 660 500
1-8 190 190 640 480 900 680
1-14 210 210 710 530 1000 740
Dry Lubed Dry Lubed Dry Lubed
Grade 8.8
Grade 10.9
Grade 12.9
Metric Course
Thread
M6-1 8 6 11 7 13.5 10*
24M8-1.25 19 14 27 20 32.5 24*
M10-1.5 37.5 28 53 39 64 47
M12-1.75 65 48 91.5 67.5 111.5 82
M14-2 103.5 76.5 145.5 108 176.5 131
M16-2 158.5 117.5 223.5 165.5 271 200
* All torque values are in lb-ft, except those marked with an *, which are in lb-in.
For metric torque value (Nm), multiply lb-ft x 1.355, or lb-in value x 0.113.
Courtesy of Crane.Market
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