4pcs 7pcs Door and Window Hinge Hole Opener Woodworking Puncher Tool Hex Shank Drill Kit

Description: 4pcs 7pcs Door and window hinge hole opener woodworking puncher tool / hex shank drill kit. Specification: Material high speed steel Type A: 4PC set (5/64, 7/64, 9/64, 11/64) B: 7PC set (5/64, 7/64, 9/64, 11/64, 5mm, 13/64 ,1/4) Application door and window opening Opening size: 5/64': The diameter of the opening is about 2 mm, and the self-tapping screw is about 2.2-2.8 mm. 7/64': The diameter of the opening is about 2.8mm, and the self-tapping screw is about 3-3.5mm. 9/64': The diameter of the opening is about 3.5mm, and the self-tapping screw is about 4-4.5mm. 11/64': The diameter of the opening is about 4.5mm, and the self-tapping screw is about 5-5.5mm. 5 mm: Opening diameter is 5 mm, self-tapping screw is used about 5.5-6 mm. 13/64': The diameter of the opening is about 5.2mm, and the self-tapping screw is about 6-6.5mm. 1/4': The diameter of the opening is about 6.35 mm, and the self-tapping screw is about 7-7.5 mm. Features: Good processing quality High smoothness Long service life Good economic efficiency Can process a variety of high-precision molding cavity, Easy to use safe and reliable Package Included: A:4PCS Hole Opener + hex wrench B:7PCS Hole Opener+ hex wrench More Details: