| FIRST END LOCATION | BOTH ENDS |
| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 43.0 DEGREES MINIMUM AND 47.0 DEGREES MAXIMUM |
| FIRST END TAPER LENGTH | 0.010 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 0.315 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| SECOND SHANK DIAMETER | 0.1724 INCHES MINIMUM AND 0.1729 INCHES MAXIMUM |
| SECOND SHANK LENGTH | 0.090 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| SECOND UNDERCUT DIAMETER | 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM |
| SECOND UNDERCUT WIDTH | 0.085 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| SHANK DIAMETER | 0.1521 INCHES MINIMUM AND 0.1522 INCHES MAXIMUM |
| SHANK LENGTH | 0.085 INCHES MINIMUM AND 0.135 INCHES MAXIMUM |
| SHOULDER DIAMETER | 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| STYLE DESIGNATOR | UNDERCUT |
| UNDERCUT DIAMETER | 0.141 INCHES MINIMUM AND 0.146 INCHES MAXIMUM |
| UNDERCUT WIDTH | 0.025 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |