| FASTENER LENGTH | 2.110 INCHES MINIMUM AND 2.140 INCHES MAXIMUM |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| POINT DIAMETER | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM |
| POINT LENGTH | 1.480 INCHES MINIMUM AND 1.500 INCHES MAXIMUM |
| POINT STYLE | BALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.610 INCHES MINIMUM AND 0.660 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM |