2a thread class right-hand 0.078" thread length oval countersunk head style 72 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.330" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.438" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.297" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.860" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated use for high temp applications only, use for temp range between 800 deg to 1200 deg f unf thread series
3a thread class right-hand 0.438" thread length fillister head style 0.062" hole diameter 24 thread quantity per inch cadmium screw surface treated unf thread series
