M14 Drill Bit Kit 6-Piece Diamond Hole Saw Set for Glass, Tile & Marble Rawiri

1、Hole Drilling: No watering required during drilling, and the hole also ensures neat and smooth cut edge without burrs. 2、Better Design: M14 thread design enables high torsion and bearing, not easy to slip, works with stability and safety. 3、Practical Use: Allows for application in cutting holes on marble, glass, ceramic tile, granite and so on, very useful. 4、6Pcs in Total: There are 6pcs hole drill bit with 20mm, 25mm, 42mm, 50mm, 55mm, and 68mm diameter for your work needs. 5、Good Material: Comes with even and thickened diamond coating, rustproof, and very durable with wearing and long using.