Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling,Triangle Shank Drill（6+6/8/10/20/25/35/50/75/100mm&20finger bit&50chamfer bit）.

Description

Diamond Core Drill Bit Set - BRSCHNITT Diamond Hole Saw Kit for Porcelain Tile Ceramic Marble Granite Drilling,Triangle Shank Drill（6+6/8/10/20/25/35/50/75/100mm&20finger bit&50chamfer bit）.