DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.248 INCHES NOMINAL FIRST HOLE |
BOTTOM COUNTERSINK DIAMETER | 0.910 INCHES NOMINAL |
COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
FASTENER LENGTH | 2.440 INCHES NOMINAL |
HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.280 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
HEAD STYLE | HEXAGON COUNTERSUNK UNDERCUT |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 630 OVERALL |
NOMINAL THREAD DIAMETER | 0.625 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 1.810 INCHES NOMINAL FIRST SHOULDER |
WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 0.630 INCHES NOMINAL |
THREAD QUANTITY PER INCH | 18 |
THREAD SERIES DESIGNATOR | UNJF |