3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.453" thread length dished hexagon head style 0.812" grip length 20 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.922" thread length flat countersunk head style 18 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.316" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series