Sufanic Self Centering Lock Hinge Drill Bit Set Hardware Drawer Pilot Hole Guides Hss

Feature: * brand new and high quality * Made of high-speed steel durable *Automatic positioning center improves positioning accuracy and efficiency *Precise positioning no shift *Double face design-quickly and automatically discharge sawdust from the holes on both sides and will not block the drill bit *When opening the hole please adjust according to the hardness of the wood.If the wood is soft you can choose the smaller if the wood is hard you can choose the corresponding or larger *If the center drill cannot be removed after drilling use a hex wrench to separate the drill *The diameter of the center drill shank is 6mm which is suitable for most general electric drills * Suitable for hinges handles drawer slides carpentry *Hole Size: 5/64 : The diameter of the hole is about 2mm use self-tapping screws around 2.2-2.8mm 7/64 : The diameter of the hole is about 2.8mm use about 3-3.5mm self-tapping screws 9/64 : The diameter of the opening is about 3.5mm and use self-tapping screws of about 4-4.5mm 11/64 : The diameter of the hole is about 4.5mm and the self-tapping screw is about 5-5.5mm *Material: High speed steel *Color: black (pictured) Package content: 4*hinge drill 1* wrench Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.