| DIAMETER | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| HEAD STYLE | FLAT |
| HEIGHT | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1042 OVERALL |
| PIN HEAD DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| STYLE DESIGNATOR | GROOVE |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| UNDERCUT DIAMETER | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM |
| UNDER HEAD LENGTH | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM |