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Professional quality diamond core bits designed for easily boring the porcelain, marble and granite tile.  May be used dry or wet. Vacuum brazed d...

Diamond Sure bonded diamond core tile drill bits are designed to drill in the hardest surfaces or the most delicate and fragile. DiamondSure tile b...

Montolit FSB Diamond Core Bits – Fast, Clean Cuts Through Tough Tile When it comes to drilling into porcelain, ceramic, or granite, the Montolit FS...

If you are looking to bore holes in hard porcelain, glass, or granite tiles, look no further! The Porcelain Pro bit stands out from its competition...