High Speed Alloy Cutting Lathe Head For Dental Lab Grinding and Polishing hine Compatible with most laboratory alloy grinders. Max speed: 28,000rpm. Positive high speed grinding possible. Without spindle With spindle Specifications Voltage: 220V/50Hz±10%; 110V/60Hz±10% Power: 180W Rotating Speed: 2800rpm Dimension: 30x32x26cm Weight: 14kg Features 1.The dental cutting lathe can be used in all kinds of cutting and polishing for various pint-sized metal, resin, or plastic work pieces and craft work. 2. It is designed with integrated drilg bit and motor at the same time,and extending the useful time of the drilg pieces 3. High rotation speed, fast cutting and grinding and low noise.