Description of π Diamond Coating Ceramics: Top-Notch Porcelain Ceramic Cutting Tools
Materials and only needs water for lubrication.Works better with a electric drill;. Materials and only needs water for lubrication.Works better with a electric drill;. This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication;. Hole Saw Sets Kits Can be used with a standard electric drill( Excluding in this item );. High quality,good performance, long life;Excellent for making clean and accurate hole on glass , tile and marble;. Always use lubrication (water ), otherwise the diamond core drill will burn,Start your hole diagonally, make a round trace and then hold drill straight. .