DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.025 INCHES MINIMUM AND 1.055 INCHES MAXIMUM FIRST HOLE |
CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
FASTENER LENGTH | 1.175 INCHES MINIMUM AND 1.185 INCHES MAXIMUM |
HEAD DIAMETER | 0.470 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18732 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
MINIMUM TENSILE STRENGTH | 135000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
SHOULDER DIAMETER | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.785 INCHES MINIMUM AND 0.795 INCHES MAXIMUM FIRST SHOULDER |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | HRPS 161,FSCM 81873 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |