FASTENER LENGTH | 5.562 INCHES NOMINAL |
GROOVE DIAMETER | 0.655 INCHES MINIMUM AND 0.665 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.375 INCHES NOMINAL |
HEAD DIAMETER | 1.312 INCHES NOMINAL |
HEAD STYLE | BUTTON |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
SINGLE SHEAR STRENGTH | 33150 POUNDS PER SQUARE INCH |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.437 INCHES NOMINAL |
THREAD SERIES DESIGNATOR | UNF |
THREAD QUANTITY PER INCH | 16 |