10pcs/box Diamond Drilling Core Bits Hole Saw Chamfer Milling Ceramic Porcealin

Chamfer Bit: For chamfering, widening, grinding and polishing exit holes. 35/50mm Diamond Cone Milling Bit Ceramic Tile Chamfering Finger Hole Saw Cutter. Finger Bit: Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite.

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