| DRIVE SURFACE SIZE | 0.375 INCHES NOMINAL SECOND END |
| DRIVE END HEAD THICKNESS | 0.438 INCHES NOMINAL |
| DRIVE END OUTSIDE DIAMETER | 0.750 INCHES NOMINAL |
| DRIVE END SHAPE | SQUARE SECOND END INTERNAL |
| OVERALL LENGTH | 1.600 INCHES MINIMUM AND 2.400 INCHES MAXIMUM |
| MATERIAL | STEEL OVERALL |
| SPECIAL FEATURES | MATERIAL, FORGED STEEL |
| SPECIFICATION/STANDARD DATA | 81343-AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WRENCHING END HEAD THICKNESS | 0.349 INCHES MAXIMUM |
| WRENCHING END OUTSIDE DIAMETER | 0.660 INCHES MAXIMUM |
| WRENCHING SURFACE SHAPE | 12 POINT FIRST END INTERNAL |
| WRENCHING SURFACE SIZE | 0.438 INCHES NOMINAL FIRST END |
| STYLE DESIGNATOR | BOX END |
| SURFACE TREATMENT | CHROMIUM AND NICKEL OVERALL |