| FASTENER LENGTH | 1.25 INCHES NOMINAL |
| HEAD DIAMETER | 0.782 INCHES MINIMUM AND 0.844 INCHES MAXIMUM |
| HEAD HEIGHT | 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM |
| HEAD STYLE | ROUND |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLTS, ROUND, SQUARE NECK (SQUARE NECK CARRIAGE BOLTS) |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 - GRADE 5 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NECK WIDTH | 0.368 INCHES MINIMUM AND 0.388 INCHES MAXIMUM |
| NECK LENGTH | 0.188 INCHES MINIMUM AND 0.219 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| SPECIFICATION/STANDARD DATA | 05047-ASME B18.24-2023 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE VI, SC 2 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 1.25 INCHES NOMINAL |