- Excellent for Specialty Grinding
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CRL Standard™ Diamond Discs are designed for grinding, faceting and finishing small glass objects. High quality diamond is plated on a steel disc which is fixed to an aluminum back. Arbor hole size is 1/2 inch (12.7 millimeter). Recommended speed is 1500-2000 rpm.
Also available in other grits and sizes up to 12 inches (305 millimeters) on request.