3a thread class right-hand 2.000" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.339" thread length fillister head style 0.031" hole diameter 56 thread quantity per inch passivate screw surface treated unc thread series
2a thread class right-hand 1.304" thread length flat countersunk head style 28 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 0.375" thread length round extended washer head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.315" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.110" thread length flat chamfer head style 56 thread quantity per inch 0.031 in. by 45 deg chamfer on thd end unf thread series