Tlily - 250Pcs Diamond Coated Drill Bit Set 6mm Diamond Tipped Hole Saw for Tile, Glass, Ceramics, Porcelain, Marble

Material: Diamond + Metal Good Performance: Diamond dust coating offers superior performance and cutting strength. Diamond coating maximizes performance and retains a than traditional carbide or bimetal hole saws No tremor phenomenon, small incision resistance and fast hole speed, easy chip evacuation, ensuring you a nice experince when using diamond hole saw. Wide Application of The Tile Hole Saw: Hole saw set for wet cutting tiles, glass, fish tanks, marble, , ceramic, porcelain, bottles, quartz sinks. 250 diamond coated core hole saws for kitchen, bathroom, shower, faucets Specifications: Color: Silver How to Use Tile Hole Saw Drill Correctly: Use pen to mark start of hole, and keep wet with water or coolant. Angle drill 45 degrees to start hole, and being drilling at low speeds. Angle drill to vertical position once the hole has started. Minimum pressure. Slow speed down for exit hole or drill from the other side to prevent breakthrough. Note: Electroplated diamond coating wear