| Thread Diameter | Grade 2 | Grade 5 | Grade 8 |
| 1/4" | 5 ft-lbs | 7 ft-lbs | 10.5 ft-lb |
| 5/16" | 9 ft-lbs | 14 ft-lbs | 22 ft-lbs |
| 3/8" | 15 ft-lbs | 25 ft-lbs | 37 ft-lbs |
| 7/16" | 24 ft-lbs | 40 ft-lbs | 60 ft-lbs |
| 1/2" | 37 ft-lbs | 60 ft-lbs | 92 ft-lbs |
| 9/16" | 53 ft-lbs | 88 ft-lbs | 132 ft-lbs |
| 5/8" | 74 ft-lbs | 120 ft-lbs | 180 ft-lbs |
| 3/4" | 120 ft-lbs | 220 ft-lbs | 220 ft-lbs |
| 7/8" | 190 ft-lbs | 302 ft-lbs | 473 ft-lbs |
| 1" | 282 ft-lbs | 466 ft-lbs | 714 ft-lbs |