Bihui Tools Turbo Dry Core Bits

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

• Vacuum brazed diamond bit
• M14 or 5/8"-11 thread to angle grinder
• High speed and long life (11,000 suggested RPM)
• Suitable for drilling porcelain, marble and granite
• 6 piece kit includes sizes 1/4", 5/16", 3/4", 1-3/8", 2", 2-3/4"