Diamond Hole Saw Kit Tile Drill Bits Marble Porcelain Cutter 5/8-11 10pcs/box

Chamfer Bit: For chamfering, widening, grinding and polishing exit holes. Drill Bit: Dry/wet drilling for porcelain tile, granite, marble, ceramic. Aapter: M14 thread core bits can be fitted on hand drill or electric drill with hexagon shank adapter.

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