2a thread class right-hand 0.175" thread length pan head style 32 thread quantity per inch navy special project passivate screw surface treated machine unthreaded shank to 0.080 in. min. unc thread series
2a thread class right-hand 0.266" thread length flat chamfer head style 32 thread quantity per inch navy special project machine unthreaded shank to 0.092 in. dia. 0.064 in. max. long; supply with slot in thread end unc thread series
3a thread class right-hand 0.407" thread length flat chamfer head style 32 thread quantity per inch navy special project cadmium screw surface treated unjf thread series
3a thread class right-hand 0.252" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.314" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series