| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.562 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 3.250 INCHES MINIMUM |
| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 8645 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PHOSPHATE ZINC AND |
| LACQUER OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232 TYZ CL2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND |
| 33.0 ROCKWELL C MAXIMUM OVERALL |
| STYLE DESIGNATOR | SQUARE BEND |
| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 9.250 INCHES NOMINAL |
| INSIDE DISTANCE BETWEEN SHANKS | 2.094 INCHES NOMINAL |