| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 30.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.190 INCHES NOMINAL |
| FIRST END LOCATION | UNTHREADED END |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| INTERNAL DRIVE STYLE | SLOT |
| OVERALL LENGTH | 2.500 INCHES MINIMUM AND 2.520 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5659 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-12 OVERALL |
| NOMINAL THREAD SIZE | 0.437 INCHES |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END STYLE | CHAMFERED |
| SECOND END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| SECOND END TAPER LENGTH | 0.050 INCHES NOMINAL |
| SECOND SHANK DIAMETER | 0.619 INCHES MINIMUM AND 0.620 INCHES MAXIMUM |
| SECOND SHANK LENGTH | 0.750 INCHES NOMINAL |
| SHANK DIAMETER | 1.500 INCHES MINIMUM AND 1.520 INCHES MAXIMUM |
| SHANK LENGTH | 0.434 INCHES MINIMUM AND 0.435 INCHES MAXIMUM |
| SHOULDER DIAMETER | 1.250 INCHES NOMINAL |
| STYLE DESIGNATOR | SHOULDER |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.660 INCHES MINIMUM AND 0.680 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |