2a thread class right-hand 1.000" thread length double hexagon extended washer head style 20 thread quantity per inch weapon system essential cadmium surface treated unc thread series
3a thread class right-hand 0.609" thread length flat chamfer head style 0.044" hole diameter 18 thread quantity per inch cadmium surface treated unrc thread series
3a thread class right-hand 1.500" thread length flat chamfer head style 0.061" hole diameter 20 thread quantity per inch cadmium surface treated unrf thread series
3a thread class right-hand 0.454" thread length dished hexagon head style 3.115" grip length 24 thread quantity per inch assembly area, extended at threaded end, 0.402 min. cadmium surface treated unjf thread series
3a thread class right-hand 0.646" thread length dished hexagon head style 1.562" grip length 20 thread quantity per inch retaining element in shank passivate surface treated unjf thread series
3a thread class right-hand 0.449" thread length dished hexagon head style 1.689" grip length 24 thread quantity per inch cadmium surface treated unjf thread series