2a thread class right-hand 0.276" thread length flat countersunk head style 56 thread quantity per inch passivate screw surface treated unf thread series
2a thread class right-hand 0.790" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.559" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.535" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
3a thread class right-hand 0.500" thread length flat chamfer head style 28 thread quantity per inch navy special project phosphate screw surface treated unf thread series
Used on spec item. 2a thread class right-hand 0.312" thread length round head style 72 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.298" thread length round extended washer head style 32 thread quantity per inch cadmium or zinc screw surface treated unf thread series
3a thread class right-hand 0.298" thread length round extended washer head style 28 thread quantity per inch cadmium or zinc screw surface treated unf thread series
3a thread class right-hand 0.406" thread length round extended washer head style 36 thread quantity per inch cadmium or zinc screw surface treated unf thread series
3a thread class right-hand 0.406" thread length round extended washer head style 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
3a thread class right-hand 0.360" thread length round extended washer head style 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.219" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
