Bihui Diamond Brazed Core Bit Set in Aluminum Case 7 pcs

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

• Vacuum brazed diamond bits
• 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

7 piece kit includes:

• 1/4" Diamond Core Bit
• 5/16" Diamond Core Bit
• 3/4" Diamond Core Bit
• 1-3/8" Diamond Core Bit
• 2" Diamond Core Bit
• 2-3/4" Diamond Core Bit
• 5/8"-11 Hex Adaptor for Electric Drill
• Aluminum Hard Case