3a thread class right-hand 2.040" thread length hexagon head style 24 thread quantity per inch made from AN6C20 passivate surface treated unf thread series
3a thread class right-hand 0.338" thread length flat countersunk head style 1.428" grip length 32 thread quantity per inch navy special project internal drive ribbed cadmium surface treated unjf thread series
3a thread class right-hand 0.378" thread length pan no. 2 head style 0.428" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.378" thread length pan no. 2 head style 0.365" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.378" thread length flat countersunk head style 0.740" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 0.615" grip length 24 thread quantity per inch passivate surface treated unjf thread series