ITEM NAME:5PCS HSS Countersink Drill Bit Set Screw Woodworking Chamfer Tool Quick Change.How To Use The Product: The Handle Is A 6mm Round Handle. It Can Be Used With Hand Drills, Bench Drills, Etc. After The Product Is Punched On The Board, The Screws Are Screwed Into The Board, And The Screw Cap Will Sink Into The Plane Of The Board And Will Not Protrude On The Board.
