FASTENER LENGTH | 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM |
HEAD HEIGHT | 0.161 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
HEAD STYLE | FILLISTER |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL | STEEL COMP 8630 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
POINT DIAMETER | 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM |
POINT LENGTH | 0.243 INCHES MINIMUM AND 0.335 INCHES MAXIMUM |
POINT STYLE | CHAMFER DOG |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 28 |