| DRIVE END HEAD THICKNESS | 0.375 INCHES NOMINAL |
| DRIVE END OUTSIDE DIAMETER | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SINGLE END |
| DRIVE END SHAPE | SQUARE SINGLE END INTERNAL |
| MATERIAL | STEEL OVERALL |
| WRENCHING END HEAD THICKNESS | 0.360 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.570 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 12 POINT SINGLE END INTERNAL |
| WRENCHING SURFACE SIZE | 0.437 INCHES NOMINAL SINGLE END |
| STYLE DESIGNATOR | OFFSET |
| SURFACE TREATMENT | OXIDE OVERALL |