| FASTENER LENGTH | 0.800 INCHES NOMINAL |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| HEAD DIAMETER | 0.425 INCHES MINIMUM AND 0.441 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | SLOT |
| MINIMUM TENSILE STRENGTH | 123200 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | K7766-A113 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | CADMIUM |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | K0379-DTD 904 GOVERNMENT STD/SPEC SINGLE TREATMENT RESPONSE |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.407 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |