Used on ef-18 hornet. 3a thread class right-hand 0.205" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
Used on ef-18 hornet. 3a thread class right-hand 0.318" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series