| FASTENER LENGTH | 2.50 INCHES NOMINAL |
| HARDNESS RATING | 33.0 ROCKWELL C NOMINAL OVERALL |
| HEAD HEIGHT | 0.234375 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | B1821BH038C250N MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | ZINC-PLATED GRADE 8 STEEL HEX HEAD CAP SCREW |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SPECIAL FEATURES | ZINC YELLOW-CHROMATE PLATED; GRADE 8 |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.0000 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| WIDTH BETWEEN FLATS | 0.5625 INCHES NOMINAL |