9pcs Self Centering Hinge Hardware Hole Guides Door Window Drill Bit Wrench Set
Specifications:
Device Type: Hinge Hardware Drill Bits Set
Material: Brass + High-Speed Steel
Color: Silver
All Shank Size: 1/4inch(6.35mm)
Dimensions: 5/64inch, 7/64inch, 9/64inch, 9/64inch, 11/64inch, 13/64inch, 5mm, 1/4inch
  
Drill Length:
5/64inch: 87mm
7/64inch: 90mm
9/64inch: 94mm
11/64inch: 100mm
13/64inch: 109mm
5mm: 108mm
1/4inch: 113mm

Use:
5/64inch: Hole diameter is about 2mm, for about 2.2-2.8mm tapping screw.
7/64inch: Hole diameter is about 2.8mm, for about 3-3.5mm tapping screw.
9/64inch: Hole diameter is about 3.5mm, for about 4-4.5mm tapping screw.
11/64inch: Hole diameter is about 4.5mm, for about 5-5.5mm tapping screw.
5mm: Hole diameter is about 5mm, for about 5.5-6mm tapping screw.
13/64inch: Hole diameter is about 5.2mm, for about 6-6.5mm tapping screw.
1/4inch: Hole diameter is about 6.35mm, for about 7-7.5mm tapping screw.

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.

Package Included:
8 x Hinge Hardware Drill Bits
1 x Wrench
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