TORQUE GUIDE
Grade 5 and 8 Fasteners. (Coarse Thread).
Grade 5
Grade 8
SIZE | PLATED | PLAIN | PLATED | PLAIN |
¼ - 20 | 76 in.lbs | 8 ft.lbs. | 9 ft.lbs. | 12 ft.lbs. |
5/16 | 13 ft.lbs. | 17 | 18 | 25 |
3/8 - 16 | 23 | 31 | 33 | 44 |
7/16 - 14 | 37 | 50 | 52 | 70 |
½ - 13 | 57 | 76 | 80 | 106 |
9/16 - 12 | 82 | 109 | 115 | 153 |
5/8 - 11 | 112 | 150 | 159 | 212 |
¾ - 10 | 200 | 256 | 282 | 376 |
7/8 - 9 | 322 | 430 | 454 | 606 |
1 – 8 | 483 | 644 | 682 | 909 |
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