Meccion Diamond Drill Bit Brazed Core Hole Saws, Performance Hollow Hole Cutter for Glass/Tile/Granite/Marble/Porcelain (115mm)

• Diamond Hole Cutter: Made of carbon steel with diamond coating hole saw drill bit for porcelain, glass, marble, ceramic, rock and granite etc.
• High Quality Hole Drilling: Thicken blade with brazed degisn for durable, ideal for drill clean and accurate holes and cut a perfect circles
• Longer Service Life: Heavy duty hole saws gives superior performance, Durability is more than 8 times than other common diamond hole saws
• Attention: Start drilling at a 45-degree angle, and drill vertically when the crescent-shaped edge is cut to avoid the hole saw from slipping. Never let your drill bit run dry, use water to keep it wet and cooling.
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Specifications: Material: Carbon Steel Shank Diameter :10mm Diamond Coating:1.5mm Features: --This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials Attention Please: Always use water for lubrication., otherwise the diamond core drill will burn. Can be used with a standard electric drill. make a half round mark at 45° angle and then hold drill straight. Reduced drill speeds, low drill pressure and increased use of water water to keep hole saws cooling will extend drill bit life considerably.