7pcsfuradeira power tools Core Drill Bit Set Hole Puncher Hinge Tapper for Doors Self Centering Woodworking Tools milling cutter

It's a professional drilling tools set, applicable to the installation of door hinge.
Features:
Brass and high-speed steel material, durable and excellent for use.
Drill bush for precise positioning, will not shift.
Sawdust will be automatically discharged from the top of the drill holes on both sides, not stuck drill.
Unique design and perfect punch effect.
Applicable to the installation of door hinge.
Good tools for carpentry DIY or professional engineers.
Usage Instruction:
Please adjust according to 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.
Specifications:
Color: Silver
Material: Brass + High-speed Steel
Appearance: Electroplating
Type: Core Drill Bit
Quantity: 7pcs
Size: 5/64", 7/64", 9/64", 11/64", 13/64", 5mm, 1/4"