DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.780 INCHES MINIMUM AND 0.810 INCHES MAXIMUM FIRST HOLE |
FASTENER LENGTH | 0.860 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
HARDNESS RATING | 80.0 ROCKWELL C MINIMUM OVERALL |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | B50T12A FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL OVERALL |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
NONSTANDARD THREAD PITCH DIAMETER | +0.1644 TO 0.1667 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.071 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.245 INCHES MINIMUM AND 0.247 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
SURFACE TREATMENT | CADMIUM OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 32 |