| FIRST END LOCATION | SHANK END |
| FIRST END STYLE | SQUARE |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 0.875 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8640 OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SHANK DIAMETER | 0.239 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| SHANK LENGTH | 0.407 INCHES NOMINAL |
| SHOULDER DIAMETER | 0.3754 INCHES MINIMUM AND 0.3756 INCHES MAXIMUM |
| STYLE DESIGNATOR | UNDERCUT |
| SURFACE FINISH | 32.0 MICROINCHES LONG SHANK |
| SURFACE FINISH | 32.0 MICROINCHES SHOULDER OUTSIDE DIAMETER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232 TY M CL 2 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE MANGANESE OVERALL |
| UNDERCUT DIAMETER | 0.219 INCHES MINIMUM AND 0.229 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.093 INCHES NOMINAL |