Diamond-Cut Hole Saw Drill Bit, High-Performance Hole Cutter for Glass/Tile/Granite/Marble (100mm)

Diamond Drill Bit: Made of carbon steel with a diamond coating for porcelain, glass, marble, ceramic, rock, granite, etc. High-Quality Hole Drilling: Thick blade with a brazed design for long life, ideal for drilling clean, precise holes and cutting perfect circles. Long Lifespan: Heavy-duty hole saws offer superior performance; durability is more than 8 times that of other common diamond hole saws. Caution: Start drilling at a 45-degree angle and drill vertically when the crescent-shaped edge is cut to prevent the hole saw from slipping. Never let your drill bit dry out; use water to keep it moist and cool. What Makes Us Different: We aim to manufacture the best products to inspire our customers to live a more convenient and safe lifestyle. We have a professional product monitoring team that focuses on all the details that matter to you. Product Description Specifications: Material: Carbon steel. Shank Diameter: 10 mm. Features: This diamond drill bit removes a complete circle from glass, tile, marble, granite, ceramic, or other materials. Caution: Always use water for lubrication, otherwise the diamond drill bit will overheat. Can be used with a standard electric drill. Make a semi-circular mark at a 45° angle and then hold the drill straight. Reduced drilling speed, low drilling pressure, and increased use of water to keep the hole saw cool will significantly extend the drill bit's lifespan.