4/7x Self Centering Hinge Hardware Drill Bit Set Door Drawer Pilot Hole Guides

Size instructions:

4 pcs:

5/64'':Hole diameter is about 2 mm,Use about 2.2 - 2.8 mm tapping screw
7/64'':Hole diameter is about 2.8 mm,Use about 3 - 3.5 mm tapping screw
9/64'':Hole diameter is about 3.5mm,Use about 4 - 4.5 mm tapping screw
11/64'':Hole diameter is about 4.5mm,Use about 5 - 5.5 mm tapping screw

7 pcs:

5/64":Hole diameter is about 2 mm,Use about 2.2 - 2.8 mm tapping screw Length:8.5cm(approx)
7/64":Hole diameter is about 2.8 mm,Use about 3 - 3.5 mm tapping screw Length:9cm(approx)
9/64":Hole diameter is about 3.5mm,Use about 4 - 4.5 mm tapping screw Length:9.5cm(approx)
11/64":Hole diameter is about 4.5mm,Use about 5 - 5.5 mm tapping screw Length:10cm(approx)
25/127":Hole diameter is about 5mm,Use about 5.5- 6 mm tapping screw Length:10.7cm(approx)
13/64":Hole diameter is about 5.2mm,Use about 6 - 6.5 mm tapping screw Length:10.7cm(approx)
1/4":Hole diameter is about 6.35mm,Use about 7 - 7.5 mm tapping screw Length:11.4cm(approx)

Features:
  • Self-centering function of drill bit for precise positioning and drilling without walking arround.
  • Clic-Change design of 6mm hex shank, fast, one-handed load and release of bits.
  • Side hole on drill bit cylinder cover supports fast remove of sawdust with no jam.
  • Handy and precise drilling of cabinet and door hinges pilot holes.

Specification:
Device Type: Hinge Hardware Drill
Material:   Brass + high-speed steel
All Shank Size: 6mm
Color : Silver

Package Includes:
4/7 x Hinge Hardware Drill


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.


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