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Diamond Coated Countersink Bits

Diamond electroplated countersink burrs for beveling, countersinking, carving, shaping, counterboring, chamfering and for getting into acute angled areas of glass, stone, ceramic, marble, composites and hard woods. Use to create smooth, professional looking finishes to holes in tiles. Use with a standard rotary tool with cold water, wearing protective eye and face wear. Do not exceed a drill speed of 12,000RPM.

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