Gasea 4pcs Self Centering Hinge Drill Bit Set, Woodworking Puncher Hole Drilling Tools for Door, Cabinet & Window 5/64”, 7/64”, 9/64”, 11/64”

• 4pcs Hinge Drill Bit Set – Includes the most commonly used sizes: 5/64", 7/64", 9/64", and 11/64", ideal for carpenters, cabinet makers, furniture makers, and woodworking trades.
• Precise Positioning Drill Bits – Self centering design ensures accurate alignment, prevents shifting, and automatically discharges wood chips for smooth drilling.
• Unique Quick-Change Design – Features one-handed load and release for fast bit changes, delivering perfect punching effect and easy installation.
• Versatile Woodworking Drill Tools – Suitable for punching and drilling on doors, windows, cabinets, and other equipment requiring hinge or connector installation.
• Adjustable for Wood Hardness – Choose smaller size for soft wood and larger size for hardwood to achieve precise openings and clean results.

Specification: Material: Brass, High-speed Steel Appearance: Electroplating Type: Core Drill Bit Scope: professional drilling tool,applicable to the installation of door hinge Size: 5/64'', 7/64'', 9/64'', 11/64'' 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 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 Includes: 4 x Self Centering Hinge Drill Bit