2a thread class right-hand 1.500" thread length thumb no. 7 head style 16 thread quantity per inch drilled hole in shank 0.078 in. min, 0.081 in. max dia 0.375 in. from bearing surface of head. other drilledhole in shank 0.076 in. dia, 1.719 in.from bearing surface of head cadmium surface treated unc thread series
2a thread class right-hand 1.000" thread length hexagon head style 3.000" grip length 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.875" thread length flat chamfer head style 24 thread quantity per inch navy special project oxide surface treated unc thread series
3a thread class right-hand 0.575" thread length double hexagon head style 2.965" grip length 18 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.817" grip length 24 thread quantity per inch 156000 single pounds per square inch shear strength cadmium or nickel surface treated unjf thread series
3a thread class right-hand 0.594" grip length 32 thread quantity per inch 95000 single pounds per square inch shear strength 1.507 in. long serrated break stem on shank end cadmium surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 2.365" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
