Self-centre door hinge drill bits



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 a door hinge.
Good tools for carpentry DIY or professional engineers.

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.

Color: Silver
Material: Brass + High-speed Steel
Appearance: Electroplating
Type: Core Drill Bit

  • 4pcs Sizes:5/64”, 7/64”,9/64”11/64”


    Hole Diameter Suitable Self-tapping Screw Size
    5/64″ 2mm 2.2-2.8mm
    7/64″ 2.8mm 3-3.5mm
    9/64″ 3.5mm 4-4.5mm
    11/64″ 4.5mm 5-5.5mm

    Package Size: Approx. 12.5 * 7.5 * 3cm / 4.92 * 2.95 * 1.2in
    Package Weight: 218g / 7.69oz

    Package List:
    1 * 5/64″ Tapper
    1 * 7/64″ Tapper
    1 * 9/64″ Tapper
    1 * 11/64″ Tapper


2 in stock

SKU: CHD4 Category:


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