| FASTENER LENGTH | 0.784 INCHES MINIMUM AND 0.808 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
| HEAD STYLE | CROWNED HEXAGON |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.3470 TO 0.3500 INCHES |
| POINT CHAMFER ANGLE | 45.0 DEGREES MINIMUM |
| POINT DIAMETER | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM |
| POINT LENGTH | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.396 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 24 |
| WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |