Bolt Torque Charts
Bolt tightening torque for every common thread size, grade and lubrication condition — computed, not copied from a chart.
Unified (inch)
- #4-40
- #6-32
- #8-32
- #10-24
- #12-24
- 1/4-20
- 5/16-18
- 3/8-16
- 7/16-14
- 1/2-13
- 9/16-12
- 5/8-11
- 3/4-10
- 7/8-9
- 1-8
- #4-48
- #6-40
- #8-36
- #10-32
- 1/4-28
- 5/16-24
- 3/8-24
- 7/16-20
- 1/2-20
- 9/16-18
- 5/8-18
- 3/4-16
- 7/8-14
- 1-12