DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.875 INCHES NOMINAL FIRST HOLE |
DEPARTURE FROM CITED DOCUMENT | THREAD T PER MIL-S-7742 EXCEPT MAJOR DIA IS NOT TO EXCEED MAX ALLOW SHANK BOLT DIA |
FASTENER LENGTH | 3.062 INCHES NOMINAL |
GROOVE DIAMETER | 0.660 INCHES NOMINAL |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 1.312 INCHES NOMINAL |
HEAD HEIGHT | 0.375 INCHES NOMINAL |
HEAD STYLE | BUTTON |
INTERNAL DRIVE STYLE | SLOT |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM FIRST HOLE |
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 | 0.562 INCHES MINIMUM |
THREAD QUANTITY PER INCH | 16 |
THREAD SERIES DESIGNATOR | UNF |