| FASTENER LENGTH | 0.900 INCHES NOMINAL0.900 INCHES NOMINAL |
| HEAD DIAMETER | 0.562 INCHES NOMINAL0.562 INCHES NOMINAL |
| HEAD HEIGHT | 0.300 INCHES NOMINAL0.300 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NECK LENGTH | 0.125 INCHES NOMINAL0.125 INCHES NOMINAL |
| NECK WIDTH | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES0.250 INCHES |
| SPECIAL FEATURES | SQUARE SOCKET DRIVE 0.260 IN. WIDTH 0.225 IN. DEPTH HEAD END,ONE HOLE 0.076 IN. DIAMETER 0.750 IN. FROM BEARING SURFACE OF HEADSQUARE SOCKET DRIVE 0.260 IN. WIDTH 0.225 IN. DEPTH HEAD END,ONE HOLE 0.076 IN. DIAMETER 0.750 IN. FROM BEARING SURFACE OF HEAD |
| THREAD CLASS | 3A3A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LENGTH | 0.400 INCHES NOMINAL0.400 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 2828 |