Bond Non Woven Wheel Abrasive Material Silicon Carbide Density Rating Medium (6) Grade Fine Series Bear-Tex Rapid Blend NEX Face Width 1 in Maximum Operating Speed 18 000 RPM Overall Diameter 3 in Connector Size 3/8 in Connector Type Unthreaded Hole Quick Change System Not Applicable Abrasive Type Non-Woven Resistance Properties Smear