|
Thread
Diameter
|
Grade
2
|
Grade
5
|
Grade
8
|
|
1/4"
|
5 ft-lbs
|
7 ft-lbs
|
10.5 ft-lbs
|
|
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
|
