PRE-TORQUE PLUS ADDITIONAL ⅓ TURN METHOD
|
Metric Thread - Grade 12.9 |
||
|
Bolt Size |
Initial Pre Torque ft-lb |
Final Torque Additional Turn |
|
M12 x 1 |
- |
- |
| M14 x 1.5 |
185 士 18 |
+ % Turn |
| M16 x 1.5 |
130 士 30 |
+ % Turn |
| M18 x 1.5 |
- |
- |
| M20 x 1.5 |
300 士 50 |
+ % Turn |
| M22 x 1.5 |
370 士 50 |
+ % Turn |
| M24 x 1.5 |
370 士 50 |
+ % Turn |
| M27 x 1.5 |
400 士 50 |
+ % Turn |
|
M30 x 2 |
- |
- |
| M33 x 2 |
- |
- |
|
UNF Imperial Thread - Grade 12.9 |
||
|
Bolt Size |
Initial Pre Torque ft-lb |
Final Torque Additional Turn |
| 7/16”-20 UNF |
- |
- |
| 1/2”-20 UNF |
165 士 15 |
+ % Turn |
| 9/16”-18 UNF |
65 士 15 |
+ % Turn |
| 5/8”-18 UNF |
130 士 30 |
+ % Turn |
| 3/4”-16 UNF |
300 士 50 |
+ % Turn |
| 7/8”- 14 UNF |
250 士 50 |
+ % Turn |
|
1” - 14 UNF |
400 士 50 |
+ % Turn |
| 1.1/8”-12 UNF |
650 士 50 |
+ % Turn |
| 1.1/4”-12 UNF |
- |
- |
| 1.3/8”-12 UNF |
1100 士 110 |
+ % Turn |
NOTES: These torque settings are a guide only. Please refer to your machine manual to Confirm
Post time: Dec-10-2025
