| EFFECTIVE LENGTH | 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM |
| DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| 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 | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| HARDNESS RATING | 265.0 BRINELL HULTGREN MINIMUM AND 290.0 BRINELL HULTGREN MAXIMUM OVERALL |
| OVERALL LENGTH | 0.812 INCHES MINIMUM AND 0.832 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-T-18291,CLASS W1-NDR MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP W110 OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| STYLE DESIGNATOR | GROOVE |
| SURFACE FINISH | 32.0 MICROINCHES SHANK END |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-P-16232,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| UNDERCUT DIAMETER | 0.2285 INCHES MINIMUM AND 0.2315 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.028 INCHES MINIMUM AND 0.031 INCHES MAXIMUM |