| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.000 INCHES NOMINAL |
| FASTENER LENGTH | 3.188 INCHES NOMINAL |
| MATERIAL | STEEL COMP 8640 OR |
| STEEL COMP 4140 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 35.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | TEE NO. 5 |
| HEAD LENGTH | 1.875 INCHES NOMINAL |
| TEE BOLT CYLINDRICAL HEAD DIAMETER | 0.625 INCHES NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |