high quality vacuum brazed diamond core drill bits for marble

Products Show Whatever materials you want to drill,       I do it in the quickest way out of your imagination! Product Description Vacuum brazed technology provides fast,all-purpose drilling. Greatly reduce the cost of drilling and improve efficiency.

Product Name	Vacuum brazed diamond core drill bit
Material	steel
Color	customized
Grade	premium
Application	drilling

Payment 1.T/T: in advance or 30% payment in advance and the rest 70% before shipping.

2. L/C: irrevocable L/C at sight.

3. Western Union,MoneyGram: 30% payment in advance and the rest 70% before shipping.

4.Paypal: 30% payment in advance and the rest 70% before shipping, and customer pay 5% bank fees 
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