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-These self centering drill bits put hinges right where they should be in the center.
-4 of the most often used sizes for carpenters, cabinet, furniture makers and other wood working trades
-Positioning accuracy, will not shift, the chips will automatic discharge from the hole on either side of the top of the drill, not stuck drill.
-Easy to use and install
5.Package: PP package
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
Please appropriate adjustments according to the hardness of wood before operating.
If making soft wooden, you can choose a smaller size. If the hard one, please choose corresponding or the bigger size.
4 pcs x Self Centering Bits Hinge Wood Drill Bit Tool Set