2a thread class right-hand 0.068" thread length flat countersunk undercut head style 80 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.261" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch nickel screw surface treated unc thread series
3a thread class right-hand 0.795" thread length hexagon head style 40 thread quantity per inch navy special project cadmium screw surface treated unjc thread series
3a thread class right-hand 0.778" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium screw surface treated unjf thread series
2a thread class right-hand 1.376" thread length pan head style 32 thread quantity per inch passivate screw surface treated distance from underside of head to beginning of undercut 0.437 in., undercut thread to minor dia, 0.688 in lg unc thread series
2a thread class right-hand 0.344" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series