FASTENER LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
HOLE CONFIGURATION STYLE | ROUND LONGITUDINAL HOLE |
HOLE QUANTITY | 6 |
HOLE TYPE | DRILLED |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4140 OVERALL |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
WIDTH ACROSS FLATS | 0.219 INCHES MINIMUM AND 0.221 INCHES MAXIMUM |
SURFACE FINISH | 16.0 MICROINCHES GRIP |
SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2485 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | OXIDE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.460 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 28 |