| DISTANCE ACROSS FLATS | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM |
| OVERALL LENGTH | 4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | STM A322 ASSN STD SINGLE MATERIAL RESPONSE OR STM A331 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 1330 OR STEEL COMP 4140 OR STEEL COMP 8630 |
| NOMINAL THREAD SIZE | 0.500 INCHES LOCATION NOT OTHERWISE SPECIFIED |
| SHOULDER LENGTH | 1.735 INCHES MINIMUM AND 1.765 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED AND STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | STM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 2A LOCATION NOT OTHERWISE SPECIFIED |
| THREAD DIRECTION | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| THREAD LENGTH | 1.235 INCHES MINIMUM AND 1.265 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED |
| THREAD QUANTITY PER INCH | 13 LOCATION NOT OTHERWISE SPECIFIED |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LOCATION NOT OTHERWISE SPECIFIED |