The MILWAUKEE(R) SHOCKWAVE(TM) 5 Piece SAE Impact Drill Tap Set taps and drills at the same time. The bits features 24 threads per inch and are intended for use in up to 1/4" metal and have laser etched sizes for easy size identification. The tap drill bit is design for use in Impact Drivers & Drill Drivers. | Milwaukee Tool 5 Piece SHOCKWAVE Impact Drill and Tap Bit Set