7PCs Self Centering Drill Bit Set, Hex Shank Self Center Hinge Drill Bits Tool for Woodworking Window Door Hinge with 1 Hex Key and 7 Drill Bits 5/64” 7/64” 9/64” 11/64” 13/64” 5mm 1/4

Product description：

High quality steel self centering drill bits with high hardness is suitable for woodworking, furniture, kitchens, window door etc.

Features:

1. Made of high quality steel with high hardness, sturdy and superior drilling performance.

2.Rustproof, stable and durable.

3. The drill sleeve can automatic position center, which can improve the efficiency of hinge punching.

5. Perfect carpenter tool for wooden doors, cabinets, windows, etc.

Specification:

Product Name: Hinge Drill Bit Set

Color: Colorful

Material: Steel + Aluminum alloy

Dimensions: 5/64″, 7/64″, 9/64″, 11/64″, 13/64″, 1/4″, 5mm

Self Centering Hinge Drill Bits:

5/64″: Hole diameter is about 2 mm, which is suitable for self-tapping screws of 2.2-2.8 mm.

7/64″: Hole diameter is about 2.8 mm, which is suitable for self-tapping screws of 3-3.5 mm.

9/64″: Hole diameter is about 3.5 mm, which is suitable for self-tapping screws of 4-4.5 mm.

11/64″: Hole diameter is about 4.5 mm, which is suitable for self-tapping screws of 5-5.5 mm.

5mm: Hole diameter is about, which is suitable for self-tapping screws of 5.5-6mm.

13/64″: Hole diameter is about 5.2mm, which is suitable for self-tapping screws of 6-6.5mm.

1/4″: Hole diameter is about 5mm, which is suitable for self-tapping screws of 7-7.5mm .

Package Includes:

4/7 * Self Centering Hinge Drill Bits

1 * Hex Keys