| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.812 INCHES NOMINAL |
| MATERIAL | STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1045 |
| NOMINAL THREAD SIZE | 0.312 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.375 INCHES STUD THREAD |
| SHANK DIAMETER | 0.282 INCHES MINIMUM AND 0.287 INCHES MAXIMUM |
| SPECIAL FEATURES | 0.102 IN. MIN,0.118 IN. MAX W BY 0.219 IN. MIN,0.250 IN. MAX DEPTH SLOT CUT IN STUD END |
| STYLE DESIGNATOR | STEPPED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD CLASS | 2A STUD THREAD |
| THREAD CLASS | 3A NUT THREAD |
| THREAD LENGTH | 0.688 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 0.625 INCHES NOMINAL NUT THREAD |
| THREAD PITCH DIAMETERS | +0.2827 TO 0.2854 INCHES NUT THREAD |
| THREAD PITCH DIAMETERS | +0.3287 TO 0.3331 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD QUANTITY PER INCH | 16 STUD THREAD |
| THREAD QUANTITY PER INCH | 24 NUT THREAD |