5Pcs Diamond Hole Saw Drill Bit Opener M14 Drilling Tool Set Kit 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、5Pcs in Total: There are 5pcs hole drill bit with 22mm, 35mm, 40mm, 50mm, and 65mm diameter, meeting your work needs. 5、Good Material: Comes with even and thickened diamond coating, rustproof, and very durable with wearing and long using.