FASTENER LENGTH | 1.000 INCHES NOMINAL |
HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM |
HEAD DIAMETER | 0.527 INCHES MINIMUM AND 0.547 INCHES MAXIMUM |
HEAD STYLE | BUTTON |
INTERNAL DRIVE STYLE | HEXAGON |
LOCKING FEATURE | PATCH THREADS |
MATERIAL | PLASTIC POLYAMIDE (NYLON) LOCKING FEATURE |
MATERIAL | STEEL FASTENER |
MINIMUM YIELD STRENGTH | 155000 POUNDS PER SQUARE INCH |
MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
SURFACE TREATMENT | ZINC FASTENER |
THREAD DIRECTION | RIGHT-HAND |
THREAD CLASS | 3A |
THREAD LENGTH | 0.889 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNC |
THREAD QUANTITY PER INCH | 18 |