The 12-point head design means that this screw can be tightened with a 12-point socket wrench which allows higher torques to be applied as compared to a standard internal hex drive socket head cap screw.
| STANDARD - ASTM A193 |
|---|
| Grade | Diameter | Length | Material | Thread |
|---|---|---|---|---|
| B7 | 1/4 TO 3/4" | 1 TO 6" |
