FASTENER LENGTH | 0.784 INCHES MINIMUM AND 0.808 INCHES MAXIMUM |
HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.194 INCHES MAXIMUM |
HEAD STYLE | CROWNED HEXAGON |
INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
NONSTANDARD THREAD PITCH DIAMETER | +0.3470 TO 0.3500 INCHES |
POINT DIAMETER | 0.238 INCHES MINIMUM AND 0.242 INCHES MAXIMUM |
POINT LENGTH | 0.138 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
POINT STYLE | FLAT |
POINT CHAMFER ANGLE | 45.0 DEGREES MINIMUM |
WIDTH BETWEEN FLATS | 0.615 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.396 INCHES MINIMUM AND 0.541 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |