FASTENER LENGTH | 0.536 INCHES MINIMUM AND 0.556 INCHES MAXIMUM |
HEAD DIAMETER | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM |
HEAD HEIGHT | 0.094 INCHES MINIMUM AND 0.124 INCHES MAXIMUM |
HEAD STYLE | HEADLESS (SETSCREW) |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4130 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
POINT STYLE | DOG |
POINT DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
POINT LENGTH | 0.183 INCHES MINIMUM AND 0.223 INCHES MAXIMUM |
SPECIAL FEATURES | THD RELIEF 0.071 IN LG FR OM BEARING SURFACE OF HEAD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD LENGTH | 0.247 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |