| FASTENER LENGTH | 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| POINT DIAMETER | 0.182 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| POINT LENGTH | 0.266 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| POINT STYLE | BALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH ACROSS FLATS | 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM |