| FASTENER LENGTH | 2.50 INCHES NOMINAL |
| HARDNESS RATING | 33.0 ROCKWELL C NOMINAL OVERALL |
| HEAD HEIGHT | 0.3594 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 GRADE 8 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.5625 INCHES |
| SPECIFICATION/STANDARD DATA | 0U583-J2295 INTERNATIONAL STD/SPEC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM 1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.375 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 18 |
| WIDTH BETWEEN FLATS | 0.8125 INCHES NOMINAL |