| FIRST END STYLE | CHAMFERED |
| FIRST END TAPER ANGLE | 45.0 DEGREES NOMINAL |
| FIRST END TAPER LENGTH | 0.125 INCHES NOMINAL |
| FIRST END LOCATION | UNTHREADED END |
| FIRST STEP DIAMETER | 4.750 INCHES NOMINAL |
| FIRST STEP LENGTH | 1.500 INCHES NOMINAL |
| HARDNESS RATING | 16.0 ROCKWELL C MINIMUM AND 27.0 ROCKWELL C MAXIMUM OVERALL |
| OVERALL LENGTH | 12.656 INCHES MINIMUM AND 12.688 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1045 AND STEEL COMP 1137 OVERALL |
| NOMINAL THREAD SIZE | 1.500 INCHES |
| SPECIAL FEATURES | 4.750-12UN-3A X 1.500 LARGEST SHOULDER DIA WITH 0.172 DEEP X 0.406 W SLOT IN THREAD AND 0.125 DEEP X 0.250 W KEYSLOT FIRST END |
| SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| SECOND END STYLE | SQUARE |
| SECOND STEP DIAMETER | 4.240 INCHES MINIMUM AND 4.250 INCHES MAXIMUM |
| SECOND STEP LENGTH | 1.4935 INCHES MINIMUM AND 1.5255 INCHES MAXIMUM |
| SECOND SHANK DIAMETER | 1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM |
| SECOND SHANK LENGTH | 7.100 INCHES MINIMUM AND 7.120 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDER |
| SURFACE FINISH | 16.0 MICROINCHES LARGE SHANK |
| SURFACE TREATMENT | PHOSPHATE MANGANESE AND LUBRICANT OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THIRD STEP DIAMETER | 1.093 INCHES NOMINAL |
| THIRD STEP LENGTH | 2.563 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD LENGTH | 1.206 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 12 |