Diamond Core Drill Bit Set - 8pcs (6/8/10/20/35mm+20mm Finger Milling Bit+35mm Beveling Chamfer Bit+6mm Carbide Drill Bit) Diamond Hole Saw Kit for Porcelain Ceramic Tile Marble Granite

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About This Package Include-----Total 8pcs/set: 5pcs core drill bits with triangle shank 1/4''(6mm), 5/16''(8mm), 3/8''(10mm), 4/5''(20mm), 1-3/8''(35mm); 1pc 4/5''(20mm) finger mil ling bit with hex shank; 1pc 1-3/8''(35mm) beveling chamfer bit with hex shank; 1pc 6mm carbide drill bit with triangle shank Application-----Suitable for dry/wet drilling in Porcelain Ceramic Tile Marble Granite Artificial Stone Quartz, etc. Finger miling bit and beveling chamfer bit for shape, enlarge and round bevel existing holes. Phillips carbide reduces bit slippage and helps other drills to drill and position precisely High-quality Diamond-----High-quality base steel, high-quality diamond provides to improve the efficiency of hole drilling Vacuum Brazed-----Vacuum brazed technology provides higher processing efficiency and longer working life. Dry or Wet use. Wet using will prolong the working life and get better drilling effect Recommended Machine-----Corded Drill, Cordless Drill, Benchtop Drill. Use electric hand drill: Recommended speed not less than 2000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck Overview Material : Diamond Shank Type : Triangle Brand : FOCSTOL Item dimensions L x W x H : 5.12 x 4.33 x 2.76 inches Tool Flute Type : Straight Show more