Trapano diamantato 3 x 6,7 e 8 mm piastrelle ceramica vetro porcellana marmo 9 pezzi
How to use your Holesaw. Diamond dust hole saws are suitable for drilling ceramic tiles, glass, marble, slate and porcelain tiles up to hardness grade 5. Using water as a coolant/lubricant will substantially extend the life of these hole saws.