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Getting this level of Accuracy? Impossible!!
Introducing Self-Centering Hinge Drill Bits
4 of the most often used drill bit sizes for carpenters, cabinet, furniture makers and other wood working trades
Drill Bit Sizes: 5/64'', 7/64'', 9/64'' & 11/64'' 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 3.5 mm, use about 4-4.5 mm tapping screw. 11/64: Hole diameter is about 4.5 mm, use about 5-5.5 mm tapping screw.
Easy to use and install.
Superior Positioning accuracy,discharges wooden chips automatically from the top of the drill
good quality steel body designed, durable and excellent for use.