| FASTENER LENGTH | 0.718 INCHES MINIMUM AND 0.782 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
| LOCKING FEATURE | DISTORTIONS BEARING SURFACE OF HEAD |
| FEATURES PROVIDED | FINISHED HEAD |
| MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| HARDNESS RATING | 96.0 ROCKWELL B MINIMUM AND 104.0 ROCKWELL B MAXIMUM OVERALL |
| MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
| MATERIAL | STEEL COMP 1035 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |