FASTENER LENGTH | 2.350 INCHES MINIMUM AND 2.370 INCHES MAXIMUM |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
HEAD HEIGHT | 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
HEAD STYLE | FLAT CHAMFER |
INTERNAL DRIVE STYLE | HEXAGON |
MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
MATERIAL | STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
SHOULDER DIAMETER | 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER |
WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 10 |
THREAD SERIES DESIGNATOR | UNC |