Assembly torques for UNF threads
| Product Series |
Thread size
T
ISO 11296
Inch |
Series SAE J514 AND SAE 1453 |
| Assembly torque non-adjustable end Nm |
Assembly torque adjustable end Nm |
| L(SAE J514) |
7/16-20 UN(F) |
23 |
18 |
| 1/2-20 UN(F) |
28 |
28 |
| 9/16-18 UN(F) |
34 |
34 |
| 3/4-16 UN(F) |
60 |
55 |
| 7/8-14 UN(F) |
115 |
80 |
| 1.1/16-12 UN(F) |
140 |
100 |
| 1.5/16-12 UN(F) |
210 |
150 |
| 1.5/8-12 UN(F) |
290 |
290 |
| 1.7/8-12 UN(F) |
325 |
325 |
| S(SAE 1453) |
7/16-20 UN(F) |
20 |
20 |
| 1/2-20 UN(F) |
40 |
40 |
| 9/16-18 UN(F) |
46 |
46 |
| 3/4-16 UN(F) |
80 |
80 |
| 7/8-14 UN(F) |
135 |
135 |
| 1.1/16-12 UN(F) |
185 |
185 |
| 1.5/16-12 UN(F) |
270 |
270 |
| 1.5/8-12 UN(F) |
340 |
340 |
| 1.7/8-12 UN(F) |
415 |
415 |
Tolerance of tightening torques listed in above table:+10%
Note: Lubricate stud with hydraulic oil before screwing in!
Tightening torques relate to counterpart made of steel.
