Pferd Bench grinding wheel is made of green silicon carbide in a glazed bond. This product is particularly suitable for carbide and non-ferrous metals such as titanium. Advantages: Very good self-sharpening. Long service life because of the hard silicon carbide. High removal rate. Application: remove burrs sharpening from carbide tools such as drills, mills or disposable tips. various maintenance applications. Dressing diamond tools for tool-grinding machines. Recommendations for use: all bench rolls are packed with telescopic bushings to popular machine spindle sizes. When a Bench Grinding Wheel starts to show signs of loading, use stones on page 28. Suitable tool drives are bench toilet mat and angle grinder. Specification: 7 inch diameter 1 inch thick; 1 inch arbor hole; 60 grit; 3600 rpm max. RPM