10pcs/set Diamond Drilling Core Bits Hole Saw Cone Milling Porcelain MarbleTile

Chamfer Bit: For chamfering, widening, grinding and polishing exit holes. 35mm Diamond Bevelling Chamfer Bits Milling Cone Bit Enlarging Holes Tile M14. Finger Bit: Enlarge, shape and/or round bevel existing holes in Porcelain, Hard Ceramic, marble and granite.

---