| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.030 INCHES MINIMUM AND 2.070 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 8735 OR STEEL COMP 4140 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| SHANK DIAMETER | 0.282 INCHES MINIMUM AND 0.286 INCHES MAXIMUM |
| STYLE DESIGNATOR | STEPPED |
| SPECIAL FEATURES | STUD END THREAD 0.003 IN. OVERSIZE |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.620 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.730 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.2830 TO 0.2849 INCHES NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3430 TO 0.3440 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS NUT THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |