Super Coarse Diamond Burs HP Black Ring for Dental Zirconia & Ceramic Heavy Trimming

Engineered for maximum material reduction, our Black Ring Super Coarse HP Diamond Burs (150–180μm grit) are the ultimate choice for heavy trimming and bulk reduction of hard CAD/CAM zirconia blocks and sintered ceramics.

• High-Efficiency Cutting: Premium electroplated diamond coating delivers aggressive cutting power, cutting down processing time in the lab.

• Zero Wobble Performance: Precision-machined HP shanks (2.35mm) guarantee true concentricity, protecting your high-speed laboratory handpiece from wear and vibration.

• Applications: Heavy sprue removal, gross contouring, and preliminary leveling of large ceramic/zirconia bridge frameworks.

Available in a comprehensive range of ISO geometries including Round, Cylinder, Taper, Flame, and Wheel shapes to match any lab technical requirement.