2a thread class right-hand 2.450" thread length flat extended washer head style 0.094" hole diameter 16 thread quantity per inch navy special project hole passing through is countesunk unc thread series
3a thread class right-hand 2.438" thread length round head style 32 thread quantity per inch navy special project zinc screw surface treated unc thread series
3a thread class right-hand 0.469" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.062" thread length flat countersunk head style 40 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.350" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.202" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjf thread series