| FASTENER LENGTH | 3.150 INCHES MINIMUM AND 3.180 INCHES MAXIMUM |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD STYLE | HEADLESS (SETSCREW) |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4130 OVERALL |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| POINT LENGTH | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM |
| POINT STYLE | DOG |
| POINT DIAMETER | 0.093 INCHES MINIMUM AND 0.094 INCHES MAXIMUM |
| SPECIAL FEATURES | DRILLED HOLE IN THREADS 0.065 MIN AND 0.072 MAX DIA |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNC |
| THREAD QUANTITY PER INCH | 32 |