7pcs 1/4 Inch Hex Shank Self Centering Drill Bit Set | Door Lock & Hinge Pilot Tool

Product Description

Description:

7PCS Self Centering Door Lock Cabinet Hinge Drill Bits Set Pilot Hole Saw Tool

Specifications:

Features:

- Precise Positioning: Drill bush for precise positioning, will not move. High speed steel body designed, durable, rustproof and excellent for use.

- Sawdust Discharged from Hole: Sawdust will be automatically discharged from the top of the holes on both sides, without drill blocked. Never miss the center of the hole again, references from the hinge bevels!

- Unique Design: Unique design and perfect punch effect. Applicable for the installation of the door hinge. Easy to use and install, change bits fast which one-handed load and release.

- The bits are surrounded by spring loaded guides that have a window to show the drill bit depth while making adjustments.

- They come in the 3 most common hinge screw sizes 7/6inch, 9/6inch, 11/64inch.

- The 7/64inch is good for drilling holes in smaller hinges and hardware like decorative boxes.

- The 9/64inch is ideal for medium to full size hinges and hardware.

- The 11/64inch is perfect for door hinges, gate locks and all large hardware.

Note:

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.

5/64inch: Hole diameter is about 2mm, use about 2.2-2.8mm tapping screw.

7/64inch: Hole diameter is about 2.8mm, use about 3-3.5mm tapping screw.

9/64inch: Hole diameter is about 3.5mm, use about 4-4.5mm tapping screw.

11/64inch: Hole diameter is about 4.5mm, use about 5-5.5mm tapping screw.

5mm: Hole diameter is about 5mm, use about 5.5-6mm tapping screw.

13/64inch: Hole diameter is about 5.2mm, use about 6-6.5mm tapping screw.

1/4inch: Hole diameter is about 6.35mm, use about 7-7.5mm tapping screw.

Package Included:

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