| DISTANCE FROM CENTERLINE TO FLAT | 0.165 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.270 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 1.800 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.343 INCHES MINIMUM AND 0.345 INCHES MAXIMUM |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM OVERALL |
| HEAD DIAMETER | 0.372 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| HEAD HEIGHT | 0.450 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 416 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.530 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 13 |