Description of Diamond Ceramic Porcelain Marble - Agile Shop
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, cer. Can be used with a standard electric drill(Excluding in this item). Easy to use, high quality,good performance, long life - Excellent for making clean and accurate hole. Always use lubrication (water ), otherwise the diamond core drill will burn - Start your hole diagon. Cutting Diameter: 100mm / 4", Shank Size : 10 x 25mm / 0.39" x 0.98" (D * L).