2a thread class right-hand 0.500" thread length oval countersunk head style 32 thread quantity per inch chromium screw surface treated unc thread series
2a thread class right-hand 0.750" thread length oval countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.312" thread length oval countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 0.626" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.375" thread length flat countersunk head style 32 thread quantity per inch anodize screw surface treated unf thread series