2a thread class right-hand 0.067" thread length flat countersunk undercut head style 72 thread quantity per inch navy special project passivate screw surface treated unf thread series
2a thread class right-hand 0.420" thread length flat countersunk head style 40 thread quantity per inch anodize screw surface treated unc thread series
3a thread class right-hand 0.420" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.858" thread length flat countersunk undercut head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.082" thread length flat countersunk undercut head style 28 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.938" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.366" thread length flat countersunk head style 28 thread quantity per inch passivate 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
