| DIAMETER | 0.1868 INCHES MINIMUM OR 0.1873 INCHES MAXIMUM |
| CHAMFER LENGTH | 0.050 INCHES NOMINAL |
| FIRST HOLE DIAMETER | 0.064 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HEIGHT | 0.075 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S114 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S117 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S105 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL OR BS S94 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| PIN CHAMFER ANGLE | 30.0 DEGREES NOMINAL |
| SPECIAL FEATURES | 0.882/0.892 IN. GRIP LG;0.850/0.860 IN. EFFECTIVE LG;ALTERNATIVE HEAD STYLE ROUND W/WRENCH FLATS 0.313 IN. HD DIA, 0.075 IN. MIN 0.080 IN. MAX HD H, 0.243 IN. MIN 0.248 IN. MAX W A/F |
| WIDTH ACROSS FLATS | 0.243 INCHES MINIMUM AND 0.248 INCHES MAXIMUM |
| STYLE DESIGNATOR | STRAIGHT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MOD(PE) DTD 904 (C) MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| UNDER HEAD LENGTH | 1.020 INCHES MINIMUM AND 1.030 INCHES MAXIMUM |