| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.750 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 3.880 INCHES NOMINAL |
| HARDNESS RATING | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.015 INCHES MINIMUM AND 0.020 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1037 OR STEEL COMP 1042 OVERALL |
| MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM FIRST HOLE |
| SINGLE SHEAR STRENGTH | 130000 POUNDS PER SQUARE INCH |
| SPECIAL FEATURES | UNTHREADED SHANK AT THREADED END OF SCREW IS 0.380 IN. LG,2.65 IN. DIAM. AND UNTHREADED HOLE IS CENTERED 0.130 IN. FROM END OF SHANK |
| WIDTH BETWEEN FLATS | 0.628 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.000 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | UNC |