2a thread class right-hand 0.639" thread length flat countersunk head style 18 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 2.062" thread length flat countersunk head style 56 thread quantity per inch chromate screw surface treated unc thread series
2a thread class right-hand 0.375" thread length flat countersunk head style 40 thread quantity per inch chromate screw surface treated unc thread series
2a thread class right-hand 0.415" thread length flat countersunk head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.509" thread length flat countersunk head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.419" thread length fillister head style 0.045" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.713" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.463" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series