| FASTENER LENGTH | 3.660 INCHES NOMINAL |
| HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| HEAD DIAMETER | 1.220 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL OVERALL |
| NECK LENGTH | 0.620 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| NECK WIDTH | 0.492 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SPECIAL FEATURES | LOCKING ELEMENT,0.620 IN. MIN AND 0.640 IN. MAX IN THREADED END |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4342-M CODE 20U32 FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.210 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNRC |
| THREAD QUANTITY PER INCH | 13 |