| DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END | 12.375 INCHES NOMINAL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| INSIDE DISTANCE BETWEEN SHANKS | 2.562 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OR 66 FED STD ALL MATERIAL RESPONSES OR SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 8640 OR STEEL COMP 8642 OR STEEL COMP 8645 OR STEEL COMP 4140 OR STEEL COMP 4142 OR STEEL COMP 4145 OVERALL |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| STYLE DESIGNATOR | SQUARE BEND |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-Z-325,TYPE 2,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE AND TT-P-636 FED SPEC 3RD TREATMENT RESPONSE OR TT-P-664 FED SPEC 3RD TREATMENT RESPONSE OR MIL-P-14553 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.500 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |