| FASTENER LENGTH | 1.687 INCHES MINIMUM AND 1.717 INCHES MAXIMUM |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE DIAMETER | 0.051 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| POINT DIAMETER | 0.165 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| POINT LENGTH | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| POINT STYLE | DOG |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.426 INCHES MINIMUM AND 1.547 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |