2a thread class right-hand 0.374" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.500" thread length flat chamfer head style 0.062" hole diameter 24 thread quantity per inch passivate surface treated unc thread series
3a thread class right-hand 0.500" thread length fillister head style 0.047" hole diameter 24 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.188" thread length fillister head style 0.046" hole diameter 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.625" thread length flat countersunk head style 20 thread quantity per inch anodize screw surface treated unc thread series