| EXTENDED WASHER DIAMETER | 0.493 INCHES NOMINAL0.493 INCHES NOMINAL |
| FASTENER LENGTH | 1.000 INCHES NOMINAL1.000 INCHES NOMINAL |
| HEAD DIAMETER | 0.493 INCHES NOMINAL0.493 INCHES NOMINAL |
| HEAD HEIGHT | 0.152 INCHES NOMINAL0.152 INCHES NOMINAL |
| HEAD STYLE | FILLISTER EXTENDED WASHERFILLISTER EXTENDED WASHER |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE IICROSS RECESS TYPE II |
| MATERIAL | STEEL OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, SELF-TAPPINGSCREW, SELF-TAPPING |
| POINT STYLE | SELF-DRILLINGSELF-DRILLING |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |