| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| HEAD DIAMETER | 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
| HEAD HEIGHT | 0.244 INCHES MINIMUM AND 0.261 INCHES MAXIMUM |
| HEAD STYLE | PAN |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MINIMUM TENSILE STRENGTH | 4650 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, FE/ZN 5, TYPE II ASSN STD SINGLE TREATMENT RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | ZINC |
| SPECIFICATION/STANDARD DATA | 80205-NAS-35206 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |