4PCs HSS Hex Shank Door Self-centering Hinge Hole Opening Drill Bit Set Twist Wood Bit 5/64'' 7/64'' 9/64'' 11/64'' Door Cabinet Pilot Holes Drilling Tools (4pcs)

Description

It is a set of professional drilling tools, applicable to the installation of the door hinge. Specifications: Material: Brass + high-speed steel Color: Silver Shank: 1/4'' Hex shank Appearance: Electroplating Type: Core Drill Bit Dimensions: 5/64'': Hole diameter is about 2 mm, use about 2.2 - 2.8 mm tapping screw. 7/64'': Hole diameter is about 2.8 mm, use about 3 - 3.5 mm tapping screw. 9/64'': Hole diameter is about 3.5mm, use about 4 - 4.5 mm tapping screw 11/64'': Hole diameter is about 4.5mm, use about 5 - 5.5 mm tapping screw. Usage instruction: Please adjust according to the hardness of the wood, if the wood is soft, choose a smaller size; if the wood is hard, you can choose a larger size or corresponding opening tool. Package included: 4 x Hinge Hole Drill Bits (4 Listed Sizes)