| FASTENER LENGTH | 1.000 INCHES NOMINAL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.438 INCHES NOMINAL |
| HEAD HEIGHT | 0.076 INCHES MINIMUM AND 0.089 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.090 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.625 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| MATERIAL | STEEL COMP 303 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |