| FASTENER LENGTH | 9.375 INCHES MINIMUM AND 9.437 INCHES MAXIMUM |
| HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| HEAD STYLE | BUTTON |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1038 OVERALL |
| NECK LENGTH | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| NECK WIDTH | 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SURFACE TREATMENT | ALUMINUM OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| THREAD QUANTITY PER INCH | 16 |