These burs are constructed with a medical-grade stainless steel shank (standard 2.35 mm diameter) and a working head coated in natural or synthetic diamond particles. The "RA" designation (Right Angle) refers to the notched end of the shank that locks into the latch of a contra-angle handpiece, providing tactile feedback and precision at speeds typically between 5,000 and 40,000 RPM.
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Features
Latch-Type Shank: Features a specific notch at the end for a secure, "snap-lock" connection, preventing the bur from slipping during low-speed operations.
Controlled Cutting: Ideal for procedures requiring high precision rather than aggressive material removal, offering superior tactile feedback for excavating deep caries near the pulp.
Concentricity & Stability: Engineered to run with minimal vibration, ensuring smooth operation and reducing patient discomfort during refined restorative tasks.
Color-Coded Grits: Follows ISO standards for grit identification (e.g., Green for Coarse, Blue for Medium, Red for Fine) to allow clinicians to quickly select the appropriate level of abrasion.
High Durability: The diamond coating is typically applied via a galvanic bonding process, ensuring particles remain embedded even under high-torque use.