Hex Shank Adjustable Boring Bits Set for Concealed Hinge 15-35mm

1 Bit Specifications: This set offers 5 pieces drill bit with different hole diameter, 15mm, 20mm, 25mm, 30mm, 35mm, with 7mm hex shank, catering to a wide range of your drilling needs 2 Efficient Drilling: Features low cutting obstruction for faster drilling speed, and adjustable bit ensures appropriate hinge offset. The hex shank design facilitates easy installation and usage 3 Hinge Drill Bit: The carbide tip excels in clean drilling through thin materials for concealed hinge, reducing cutting time and enabling effortless creation of flat bottom and pocket holes 4 Versatile Use: Suitable for density board, solid wood, particleboard, plywood, and more, for woodworking, industrial hinge installation, model making, drawer installation, and other fields 5 Sturdy Construction: Combined with YG8 alloy head and robust 45 steel body, these drill bits have strong toughness and impact resisting performance, further minimizing cutting time

What's in the box
5 x Boring Drill Bits Set