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About product and suppliers:
            5,377 diamond core bits products are offered for sale by suppliers on Alibaba.com, of which drill bit accounts for 71%, mining machinery parts accounts for 13%, and abrasive tools accounts for 1%. 

A wide variety of diamond core bits options are available to you, 

There are 5,377 suppliers who sells diamond core bits on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of diamond core bits supply is 1%, 98%, and 1% respectively.