Special metallic diamond undercut crown for roughing in an arm polisher.

These crown bits are specially designed to roughen both granite and quartz materials with water, performing a great roughing provided by their diamond segments, embedded in resin, obtaining lower vibrations and a higher quality finish. This crown is available in different grains, from 50 to 100 and for an outer diameter of 200mm and 250mm.

Applications: GRANITE, MARBLE AND LIMESTONE.

• Surface polishing system.
• Wet use.