| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.291 FEET NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 4130H OR STEEL COMP 4135 OR STEEL COMP 4137 OR STEEL COMP 4137H OR STEEL COMP 4140 OR STEEL COMP 4140H OR STEEL COMP 4142 |
| NOMINAL THREAD SIZE | 0.500 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.500 INCHES STUD THREAD |
| THREAD CLASS | 2A NUT THREAD A |
| THREAD CLASS | 2A NUT THREAD B |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD A |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD B |
| THREAD LENGTH | 2.300 INCHES NOMINAL NUT THREAD A |
| THREAD LENGTH | 2.300 INCHES NOMINAL NUT THREAD B |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| THREAD QUANTITY PER INCH | 13 NUT THREAD A |
| THREAD QUANTITY PER INCH | 13 NUT THREAD B |