| FASTENER LENGTH | 3.857 INCHES MINIMUM AND 3.891 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD LENGTH | 0.590 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| HEAD STYLE | TEE NO. 5 |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT | CADMIUM OVERALL |
| TEE BOLT CYLINDRICAL HEAD DIAMETER | 0.248 INCHES MINIMUM AND 0.256 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.909 INCHES MINIMUM AND 2.967 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |