MK Morse WSF3625 3-5/8-Inch Self-Feeding Wood Bit with Threaded Feed Screw Tip,MK Morse,WSF3625" /> Efficient chip removal for fast cutting Sharpenable cutting edges Self feed screw tip for easy, accurate cuts Quick change 7/16-Inch hex shank for fast bit changes Milled flats on shank; Made from premium tool steel