MRC |
Requirement Statement |
Characteristics |
CRZS |
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER |
0.125 INCHES NOMINAL FIRST HOLE |
AASB |
FASTENER LENGTH |
4.000 INCHES NOMINAL |
CQFM |
HARDNESS RATING |
80.0 ROCKWELL B NOMINAL OVERALL |
AASU |
HEAD HEIGHT |
0.203 INCHES NOMINAL |
AASK |
HEAD STYLE |
HEXAGON |
MATT |
MATERIAL |
STEEL OVERALL |
CQBC |
MINIMUM TENSILE STRENGTH |
75000 POUNDS PER SQUARE INCH |
AHYM |
NOMINAL THREAD DIAMETER |
0.312 INCHES |
ZZZT |
NONDEFINITIVE SPEC/STD DATA |
1 TYPE AND 2 GRADE |
AAWB |
SHANK UNTHREADED HOLE DIAMETER |
0.125 INCHES NOMINAL FIRST HOLE |
THSD |
THREAD SERIES DESIGNATOR |
UNF |
AATB |
WIDTH BETWEEN FLATS |
0.500 INCHES NOMINAL |
SFTT |
SURFACE TREATMENT |
ZINC OVERALL AND CHROMATE OVERALL |
AAJD |
THREAD CLASS |
2A |
AAJF |
THREAD DIRECTION |
RIGHT-HAND |
AASA |
THREAD LENGTH |
1.062 INCHES MINIMUM |
CMLP |
THREAD QUANTITY PER INCH |
18 |