| FIRST END STYLE | SQUARE |
| FIRST STEP DIAMETER | 0.166 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.203 INCHES MINIMUM AND 0.213 INCHES MAXIMUM |
| HEAD STYLE | FILLISTER |
| HEIGHT | 0.107 INCHES MINIMUM AND 0.137 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1022 OVERALL |
| PIN HEAD DIAMETER | 0.237 INCHES MINIMUM AND 0.247 INCHES MAXIMUM |
| SECOND STEP LENGTH | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| SECOND STEP DIAMETER | 0.1235 INCHES MINIMUM AND 0.1275 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| UNDER HEAD LENGTH | 0.443 INCHES MINIMUM AND 0.453 INCHES MAXIMUM |