7Pcs Self Centering Lock Hinge Hardware Drill Bit Set Hardware Drawer Pilot Hole Guides Centering Hinge Home Hand Tools

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When ordering 1,500 pcs — $5.21

Efficient and accurate positioning Automatic positioning center enhance accuracy and efficiency. Double-sided hole design - fast & automatic discharge sawdust from the hole on both sides New upgrade 135�� inclined blade drill bit 135�� inclined blade drill bit make drilling easier and faster Suitable for most general purpose electric drills All center drill bit shank diameter is 6mm. Suitable for most general purpose electric drills Satisfy all you demand Perfect for hinges, handles, drawer slides, woodworking and etc. Suitable for professionals and DIYer Drill bit size: 1) 5/64: Hole diameter is about 2 mm,Use about 2.2 - 2.8 mm tapping screw 2) 7/64: Hole diameter is about 2.8 mm,Use about 3 - 3.5 mm tapping screw 3) 9/64: Hole diameter is about 3.5mm,Use about 4 - 4.5 mm tapping screw 4) 11/64: Hole diameter is about 4.5mm,Use about 5 - 5.5 mm tapping screw 5) 5mm: Hole diameter is about 5 mm,Use about 5.5 - 6 mm tapping screw 6) 13/64: Hole diameter is about 5.2mm,Use about 6 - 6.5 mm tapping screw 7) 1/4: Hole diameter is about 6.5mm,Use about 7 - 7.5 mm tapping screw Warm Tips - Use low speed when drilling (usually keep in 2000r/min - 3000r/min). Too fast speed will off center, break the bit or jammed - When drilling the hole, please adjust according to the hardness of the wood. If the wood is soft, you can choose the smaller center drill bit. If the wood is hard, you can choose the corresponding or bigger one - If you can't get the center drill bit out after drilling, use the hex key to separate the drill bit Package Included 7* Center Drill Bits (1/4, 7/64, 9/64, 11/64, 13/6, 5mm)+1*Hex Key or 4*Center Drill Bits(5/64, 7/64, 9/64, 11/64)+1*Hex Key

Product type: Screwdriver Bits

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