| FASTENER LENGTH | 0.550 INCHES NOMINAL |
| HEAD HEIGHT | 0.160 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE DIAMETER | 0.046 INCHES NOMINAL |
| HOLE QUANTITY | 1 |
| HOLE TYPE | DRILLED |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| POINT DIAMETER | 0.202 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| POINT LENGTH | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| POINT STYLE | FLAT |
| POINT CHAMFER ANGLE | 60.0 DEGREES NOMINAL |
| WIDTH BETWEEN FLATS | 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F-1.20 FSCM 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.420 INCHES MINIMUM AND 0.430 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |