The Drill Doctor 180 grit diamond sharpening wheel is ideal for sharpening high-speed steel, cobalt, and TiN-coated twist and masonry bits. The 180 grit wheel can also be used to sharpen carbide bits, but we recommend theĀ Coarse Diamond Sharpening WheelĀ if you sharpen carbide bits regularly.
Direct replacement for the sharpening wheel that comes standard with modelsĀ 350X,Ā XP,Ā 500X,Ā 750X, andĀ SB.






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