3a thread class right-hand 0.383" thread length fillister head style 0.046" hole diameter 48 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.625" thread length hexagon head style 0.062" hole diameter 24 thread quantity per inch head holes spaced 0.844 in. apart on longitudinal axis unc thread series
2a thread class right-hand 0.323" thread length fillister head style 56 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.245" thread length fillister head style 56 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.219" thread length pan no. 2 head style 32 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.324" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.206" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.325" thread length flat chamfer head style 36 thread quantity per inch 0.040 in. to 0.043 in. dia hole thru longitudinal axis unf thread series