| FASTENER LENGTH | 0.50 INCHES NOMINAL |
| HEAD DIAMETER | 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F879 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX SOCKET BUTTON HEAD CAP SCREW |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 304L OR STEEL COMP 305 OR STEEL COMP 384 OR STEEL COMP 316 OR STEEL COMP 316L OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.50 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH ACROSS FLATS | 0.15625 INCHES NOMINAL |