Breynet Deburring External Chamfer Tool Self-Centering Drill Bit Wood Doors Self Center Hinge Core Tapper Drill Bit Set, 90 Degree HSS 1/4'' Hex Shank 5 Flute Countersink Drill Bit Set

7pcs Hinge Hole Drill Bit Accurate drilling exact pilot holes in cabinet door hinges, door butts, handles, drawer slides, and more Type & Dimension: 5/64'': Hole diameter is about 2mm, use about 2.2-2.8mm tapping screw. 7/64'': Hole diameter is about 2.8mm, use about 3-3.5mm tapping screw. 9/64'': Hole diameter is about 3.5mm, use about 4-4.5mm tapping screw. 11/64'': Hole diameter is about 4.5mm, use about 5-5.5mm tapping screw. 5mm: Hole diameter is about 5mm, use about 5.5-6mm tapping screw 13/64": Hole diameter is about 5.2mm, use about 6-6.5mm tapping screw. 1/4": Hole diameter is about 6.35mm, use about 7-7.5mm tapping screw. Note: Please adjust according to the hardness of the wood, if the wood is soft, choose a smaller size; if the wood is hard, you can choose a larger size or corresponding opening tool. Stainless Steel Remove Burr Tool Quickly Repair Damaged Features: Fits Size?8-32 bolts (.164) up to 3/4?-10 (.750) - (4mm -19mm) Effective on Stainless Steel, Hardened Steel, Mild Steel, Copper, Brass, Aluminum, Fiberglass, Wood, Plastic. Simplifies the repair process. 5 Flute Countersink Drill Bit Set Features: Made of high speed steels, sizes 6mm(1/4''), 8mm(5/16''), 9mm(3/8''), 12mm(1/2''), 16mm(5/8''), 19mm(3/4'') All have a 90° angle on the point for sharp and precise countersinking. The cutting edge is hardened and honed for sharpness. Great for Sinking 90 Degree Holes into Wood and Soft Metals Countersunk Screws and Fixings. Suitable for DIY, Home and General Building/Engineering Using 1/4?hex shank countersinks are fine for a quick drill. They don't slip in drill chucks. You can make deep countersinks easily by setting the countersinks depth stop to allow the countersink to drill more deeply into the worksurface. Note: Be sure to measure the size of your plug to be sure your countersink's body will make the right-size hole.