Hinge Drill Bit Set Hinge Window Door Cabinet Drilling Hole Puncher Woodworking Tool

Item Type: Hinge Drill BitMaterial: Aluminium Alloy and IronSize:5/64in: hole diameter is about 2mm / 0.08in use about 2.2-2.8mm/0.09-0.11in tapping screw7/64in: hole diameter is about 2.8mm / 0.11in use about 3-3.5mm/0.12-0.14in tapping screw9/64in: hole diameter is about 3.5mm / 0.14in use about 4-4.5mm/0.16-0.18in tapping screw x 211/64in: hole diameter is about 4.5mm / 0.18in use about 5-5.5mm/0.2-0.22in tapping screw13/64in: hole diameter is about 5.1mm / 0.20in use about 5.6-6.1mm/0.22-0.24in tapping screw1/4in: hole diameter is about 6.3mm / 0.25in use about 6.8-7.3mm/0.27-0.29in tapping screw(When opening the hole please adjust it according to the hardness of the wood. If the wood is soft you can choose the smaller one. If the wood is hard you can choose the corresponding or the larger one. The wood chips will be automatically discharged from the holes on both sides of the drill will not jam the drill bit perfect punching effect.) 8 x Hinge Drill Bit1 x Hex Wrench