| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD DIAMETER | 0.382 INCHES MINIMUM AND 0.408 INCHES MAXIMUM |
| HEAD HEIGHT | 0.139 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307 GRADE B ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.212 INCHES |
| NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| PILOT DIAMETER | 0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| PILOT LENGTH | 0.062 INCHES NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE II, SC 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |