2a thread class right-hand 0.449" thread length flat countersunk head style 32 thread quantity per inch navy special project cadmium screw surface treated unf thread series
2a thread class right-hand 0.312" thread length hexagon head style 0.046" hole diameter 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.500" thread length flat countersunk head style 80 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.556" thread length flat countersunk head style 64 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 1.291" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 0.368" thread length pan no. 2 head style 40 thread quantity per inch cadmium screw surface treated color clear to light blue tint conversion coating unc thread series
2a thread class right-hand flat countersunk head style 24 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.341" thread length flat countersunk head style 20 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.323" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.548" thread length pan head style 24 thread quantity per inch navy special project anodize screw surface treated unf thread series