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Product: Main Diamond Tools: Drills  Price: Bargain  Delivery Period: Shipped within days from the date of payment of the buyers. Last Updated: 09 Aug,2012   Valid Until： Long-term effective

Coring and non coring drills up to diam. of 50mm can be used with hand machines. For all of them, water drilling is required (5 to 10 liters/min.) at the peripheral speed of 2-2.5m/s. Coring drills for Granite (segmented drills), and for Marble (electr