2a thread class right-hand 0.375" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.750" thread length fillister head style 20 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.500" thread length fillister head style 24 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.750" thread length fillister head style 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series
2a thread class right-hand 0.500" thread length fillister head style 32 thread quantity per inch cadmium or zinc screw surface treated unc thread series