| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 3.500 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| THREAD LENGTH | 1.250 INCHES MINIMUM |
| HEAD STYLE | HEXAGON |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| THREAD QUANTITY PER INCH | 10 |
| THREAD CLASS | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-Z-325,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD HEIGHT | 0.469 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 1.088 INCHES MINIMUM AND |
| 1.125 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.094 INCHES NOMINAL FIRST HOLE |
| SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND |
| 0.146 INCHES MAXIMUM FIRST HOLE |
| FEATURES PROVIDED | UNFINISHED HEAD |
| NONDEFINITIVE SPEC/STD DATA | 3 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB575 |