EXTENDED WASHER DIAMETER | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.110 INCHES MINIMUM AND 0.120 INCHES MAXIMUM |
FASTENER LENGTH | 1.990 INCHES MINIMUM AND 2.030 INCHES MAXIMUM |
HARDNESS RATING | 80.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL |
HEAD HEIGHT | 0.480 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | B50T12A,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
NONSTANDARD THREAD PITCH DIAMETER | +0.2797 TO 0.2824 INCHES |
SHOULDER DIAMETER | 0.433 INCHES MINIMUM AND 0.436 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 1.360 INCHES MINIMUM AND 1.380 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.540 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |