5PCS Tungsten Carbide Rotary Burr Set Drill Die Grinder Shank Metal Carving Bits

✿ They all feature toughened and hardened steel shanks that provide rigidity and strength. This prevents bending and reduces vibrations for an improved tool life. ✿ Double-cut style has rows of cutting teeth cut in two intersecting directions for fast material removal and a rougher finish.

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