1a thread class right-hand 0.488" thread length dee chamfer head style 0.330" grip length 28 thread quantity per inch flat surface of dee head extends into shank 0.030 in. min, 0.080 in. max unf thread series
2a thread class right-hand 1.750" thread length hexagon head style 0.250" grip length 11 thread quantity per inch thd end ground to 0.438 in. dia by 0.250 in. lg unc thread series
3a thread class right-hand 0.595" thread length hexagon head style 0.960" grip length 24 thread quantity per inch nickel surface treated unjf thread series
2a thread class right-hand 0.305" thread length hexagon head style 16 thread quantity per inch navy special project cadmium surface treated unc thread series
3a thread class right-hand 0.938" thread length hexagon head style 13 thread quantity per inch recessed drive slot 0.125 in. deep, 0.094 in. w, located on thd end unc thread series
2a thread class 0.350" thread length round w/wrench flats head style 0.590" grip length 32 thread quantity per inch navy special project unf thread series
2a thread class right-hand 3.250" thread length hexagon head style 3.500" grip length 8 thread quantity per inch thd end ground to 0.938 in. dia by 0.250 in. lg un thread series
2a thread class right-hand 1.500" thread length hexagon head style 0.625" grip length 11 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.451" thread length hexagon head style 0.797" grip length 32 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.602" thread length hexagon head style 0.797" grip length 24 thread quantity per inch passivate surface treated unf thread series
