| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.031 INCHES MINIMUM AND 0.047 INCHES MAXIMUM |
| FIRST STEP LENGTH | 0.2750 INCHES NOMINAL |
| FIRST STEP DIAMETER | 0.3125 INCHES NOMINAL |
| OVERALL LENGTH | 1.266 INCHES MINIMUM AND 1.297 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| SPECIAL FEATURES | 0.438 IN. RADIUS ON UNDERCUT |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND STEP DIAMETER | 0.2490 INCHES NOMINAL |
| SECOND STEP LENGTH | 0.4370 INCHES NOMINAL |
| SHANK DIAMETER | 0.247 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SHANK LENGTH | 0.177 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.312 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 125.000 MICROINCHES OVERALL |
| THIRD STEP DIAMETER | 0.1250 INCHES NOMINAL |
| THIRD STEP LENGTH | 0.1820 INCHES NOMINAL |
| UNDERCUT WIDTH | 0.219 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |