| 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 MINIMUM |
| MATERIAL | STEEL OR |
| STEEL COMP 4037 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624,FS 9440 FED SPEC 1ST MATERIAL RESPONSE OR |
| FED STD 66 FED STD 2ND MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OR |
| ZINC OVERALL |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM OVERALL |
| STYLE DESIGNATOR | ROUND BEND |
| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 11.740 INCHES MINIMUM AND |
| 11.760 INCHES MAXIMUM |
| INSIDE DISTANCE BETWEEN SHANKS | 2.302 INCHES MINIMUM AND |
| 2.322 INCHES MAXIMUM |
| FEATURES PROVIDED | CASEHARDENED |