2a thread class right-hand 1.750" thread length hexagon head style 16 thread quantity per inch navy special project cadmium or zinc surface treated unf thread series
3a thread class right-hand 0.875" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch cadmium surface treated unc thread series
3a thread class right-hand 2.250" thread length hexagon head style 16 thread quantity per inch navy special project 0.062 in. lg by 45 deg chamfer on threaded end cadmium surface treated unf thread series
3a thread class right-hand 1.022" thread length hexagon head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.812" thread length hexagon head style 0.070" hole diameter 28 thread quantity per inch passivate surface treated unf thread series