1Pc/2Pcs HSS Self Centering Hinge Twist Drill Bits 9/64" 5mm Window Doors Screw Hole Saw Woodworking Reaming Cabinet Tool Set

1. 100% high quality and brand new. Professional drilling tools are suitable for mounting door hinges. 2. Hinge hinge for the doors and windows hinge screw hole, positioning accuracy, will not shift, the sawdust from the drill hole on both sides of the top side of the automatic discharge will not stuck bit. 3. Can effectively improve the drilling efficiency! Product design compact, functional and strong, is the industry and DIY who must-choose tools. 4. Spring-loaded guide centering the built-in bit in the hole of the door hinge, cabinet hinge, bracket, or hardware where the center hole is required. 5. Universal 1/4” (6.35mm) hexagonal shank design, widely applicable, can be connected to electric drills and other uses. 6. 10 different sizes suitable for most people use, small size for smaller hinges and hardware, decorative box drilling.

[Note]: When opening the hole according to the appropriate adjustment of the hardness of wood, if the wood soft, can choose a small one, if the wood hard, choose the corresponding or large one.