Item: Diamond Vacuum Brazed Chamfering Milling Finger Bits Quantity: 1pc Connection: 5/8"-11 Thread Specification: Diameter 35mm,Total length 73.5mm; Chamfering Part Length 33.5mm;Milling Part Length 30mm. Application: 1. Used for processing ceramic tile, porcelain tile, marble, granite , Quartz, Artificial Stone and other materials; 2. Dry or wet use, suitable for angle grinder. Recommended RPM 6000RPM MAX RPM 11000RPM. Feature: 1.#80 Diamond Chamfer Part, Bevelling holes, special shaping, smoother and cleaner finishes. 2.#60 Diamond Milling Part, Enlarging the formed holes, Milling stone edge. 3.Vacuum Brazed Technology, Higher efficiency, longer working life. NOTE: 1. Do not use impact or hammering mode. 2. If you order more than 20 units of same specification,we could mark your LOGO on our products.Please contact us first.