| FIRST HOLE DIAMETER | 0.063 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEIGHT | 0.065 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| HOLE ARRANGEMENT STYLE | ONE END DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S114 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S117 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S94 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN CHAMFER ANGLE | 30.0 DEGREES NOMINAL |
| SPECIAL FEATURES | 0.686 IN. GRIP LG;0.650 IN. EFFECTIVE LG |
| WIDTH ACROSS FLATS | 0.189 INCHES MINIMUM AND 0.193 INCHES MAXIMUM |
| STYLE DESIGNATOR | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DTD 904 NATIONAL SPEC ALL TREATMENT RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| UNDER HEAD LENGTH | 0.820 INCHES NOMINAL |
| DIAMETER | 0.124 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.050 INCHES NOMINAL |