ITEM NAME:6X 53-58mm M3-M10 Hex Shank HSS Metric Hand Screw Thread Tap Taper Drill KIU Descriptio n Discription.Drill tap bits increase efficiency of operation by allowing for drilling and tapping to be accomplished in a single pass. These HSS drill and tap bits are great tools used to create screw threads, to cut or form the female portion of the mating pair.
