HSS Self Centering Hinge Drill Bit Holes Woodworking Reaming Tool Hole Opener

Description:HSS Self Centering Hinge Drill Bit Holes Wood Working Reaming Tool Hole OpenerSpecification:Name: Door and window hinge, hinge opening toolMaterial: brass, high-speed steel, surface platingInch specifications: 5/64 , 7/64 , 9/64 , 11/64 Hole Size:5/64 : The hole diameter is about 2mm, using self-tapping screws of about 2.2-2.8mm7/64 : The diameter of the opening is about 2.8mm, using self-tapping screws of about 3-3.5mm9/64 : cut-out diameter is about 3.5mm, using self-tapping screws of about 4-4.5mm11/64 : The diameter of the hole is about 4.5mm, using self-tapping screws of about 5-5.5mm5MM: The hole diameter is about 5mm, using self-tapping screws of about 5.5-6mm13/64 : The diameter of the opening is about 5.1mm, using self-tapping screws of about 5.6-6.1mm1/4 : opening diameter is about 6.3mm, use self-tapping screws of about 6.8-7.3mmFeatures:-Positioning accuracy, will not shift, sawdust from the top of the drill hole on both sides of the automatic discharge, will not be stuck bit.-The door and window hinge is fixed on the door and window by screws. This product is used for opening the hole of hinge hole of door and window.-The drilling sleeve can fix the position well and ensure the precision of drilling. It is a good tool to improve the drilling efficiency.How to use:Please adjust the hardness according to the hardness of the wood when opening the hole. If the wood is soft, you can choose the smaller one. If the wood is hard, you can choose the correspond