DT DIATOOL Diamond Finger Milling Bits Diameter 20mm to 35mm for Enlarging Beveling Shaping Existing Holes of Porcelain Tile Hard Ceramic Granite Marble, with M14 Thread

Size: Total length 65mm, diamond height 50mm. Grit:#50/60, sharper shaping holes. Diameter 20-35mm, double-size finger bit can grinding more sizes of holes and no need for frequent change tools during operation. Save your storage, time and money. Machine: M14 thread. Suitable for M14 grinder. Recommended RPM: 6000. Maximum RPM: 11000. Application: Not recommended to use as a drill bit for drilling; Mainly used for reaming the existing hole or process the hole in a special shape. Main applicable materials: ceramic tile, porcelain tile, marble, artificial stone, granite, etc. Technology: Vacuum brazing processing technology, diamond firmly embedded. The average service life is 3-5 times that of electroplated tools. Premium raw material: High quality steel and diamond, stable work and higher efficiency.