3a thread class right-hand 0.688" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.468" thread length flat countersunk undercut head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.485" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.468" thread length flat countersunk undercut head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.250" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.050" thread length flat countersunk head style 64 thread quantity per inch navy special project passivate screw surface treated unf thread series