Self Centering Hinge Tapper Core Drill Bit 3647633

Amazing Price! Retail and Wholesale. This auction Brand New 4pcs Center Doors Self Centering Hinge Tapper Core Drill Bit Set Hole Puncher, Hinge drill HSS Self Centering Hinge Drill Bits Set Door Cabinet Window hinge hinge hole opener Woodworking punch This is a self-centering drill bit set for drilling holes for door or window hinge's installation. It helps to position accurately, easy to connect with electric drill and use, making your drilling precise and smooth. Features: * Adopting brass body with high speed steel drill bit, high strength and hardness, durable in use. * Quick to change drill bit by one-hand operation. * Comes with 4 drill bits of the most common sizes for carpenter: 5/64", 7/64", 9/64" and 11/64". * Features accurate positioning, effectively improve drilling efficiency. * The wood chips will auto discharge from the top hole so the drill won't get stuck. Specifications: Condition: 100% Brand New Material: Brass + High Speed Steel Size: 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 Package Included: 4 x Door Hinge Drill Bit 1 x Hex Wrench