3a thread class right-hand 0.392" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.158" thread length flat countersunk undercut head style 80 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.301" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.401" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.607" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.674" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series