| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 2.750 INCHES MINIMUM AND 2.810 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 ASSN STD ALL MATERIAL RESPONSES |
| MATERIAL | STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1023 OR STEEL COMP 1039 OR STEEL COMP 1025 OR STEEL COMP 1026 OR STEEL COMP 1029 OR STEEL COMP 1030 OR STEEL COMP 1033 OR STEEL COMP 1034 OR STEEL COMP 1035 OR STEEL COMP 1040 OR STEEL COMP 1037 OR STEEL COMP 1038 |
| NOMINAL THREAD SIZE | 0.625 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.625 INCHES STUD THREAD |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.700 INCHES NOMINAL STUD THREAD |
| THREAD LENGTH | 1.120 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 11 STUD THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD PITCH DIAMETERS | +0.5660 TO 0.5690 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |