3a nut thread a thread class right-hand nut thread a 0.500" nut thread b thread length 23.312" overall length 20 nut thread a thread quantity per inch navy special project cadmium surface treated unf nut thread a thread series
3a thread class right-hand 0.403" thread length flat countersunk head style 0.240" grip length 28 thread quantity per inch passivate surface treated unjf thread series
2a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch color black phosphate zinc surface treated unc thread series
3a thread class right-hand 0.724" thread length hexagon head style 1.490" grip length 14 thread quantity per inch chromium grip surface treated unf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 3.115" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 3.615" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 0.802" grip length 24 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand headless (setscrew) head style 16 thread quantity per inch drilled hole in unthreaded portion 0.125 in. dia., located 0.187 in. from unthreaded end unc thread series