3a thread class right-hand 0.406" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated groove in head 0.045 in. min 0.065 in. max w, 0.050 in. min 0.070 in. deep unc thread series
2a thread class right-hand 0.907" thread length pan head style 32 thread quantity per inch navy special project oxide screw surface treated unc thread series
3a thread class right-hand 0.215" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series
3a thread class right-hand 1.320" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
