Lot de 10 forets diamantés de 3 à 50 mm pour carrelage, céramique, verre, porcelaine, marbre

1、The diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials and only needs water for lubrication 2、Comes with different sizes for multiple purposes. Can be used with a standard electric drill 3、Made from premium metal with diamond coating, it is of high hardness, wear-resistant and durable in use 4、Easy to use. Just start your hole diagonally and make a round trace and then hold drill straight 5、Always use lubrication (water), otherwise the diamond core drill will burn