| 500 Series Maximum Tightening Torques (ft-lbs.) |
| Part# |
Bolt Diameter |
Torque (dry) |
Torque (lubricated or plated) |
| 505 |
.313 |
25* |
20* |
| 506 |
.375 |
45* |
35* |
| 507 |
.433 |
80* |
60* |
| 508 |
.500 |
120* |
90* |
| 510 |
.625 |
240* |
180* |
| 512 |
.750 |
380 |
280 |
| 516 |
1.000 |
365 |
275 |
| * = Grade 8 Bolt Torque |
|