| FASTENER LENGTH | 0.850 INCHES MINIMUM AND 0.850 INCHES MINIMUM AND 1.015 INCHES MAXIMUM1.015 INCHES MAXIMUM |
| HEAD DIAMETER | 0.495 INCHES MINIMUM AND 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM0.515 INCHES MAXIMUM |
| HEAD HEIGHT | 0.5469 INCHES MINIMUM AND 0.5469 INCHES MINIMUM AND 0.5781 INCHES MAXIMUM0.5781 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 5KNURLED NO. 5 |
| INTERNAL DRIVE STYLE | SLOTSLOT |
| MATERIAL | STEEL CORROSION RESISTING OVERALLSTEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES0.250 INCHES |
| THREAD QUANTITY PER INCH | 2020 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC)UNIFIED NATIONAL COARSE (UNC) |
| THREAD CLASS | 2A2A |
| THREAD LENGTH | 0.298 INCHES MINIMUM AND 0.298 INCHES MINIMUM AND 0.313 INCHES MAXIMUM0.313 INCHES MAXIMUM |