Specification :0 to 90 degrees Materials: Element 6 single crystal diamond, South African natural diamond. Tool rod material: tungsten steel Speed: 5,000-100000r /min. Feed: 1500-5000mm/min. Cutting depth: 0.05-0.2mm. Processing materials: aluminum alloy, copper, acrylic and other non-ferrous metals and nonmetallic. Features: high finish, high cost performance, long life