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About product and suppliers:
            5,277 diamond core drill bit products are offered for sale by suppliers on Alibaba.com, of which drill bit accounts for 72%, mining machinery parts accounts for 13%, and abrasive tools accounts for 1%. 

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

There are 5,277 suppliers who sells diamond core drill bit on Alibaba.com, mainly located in Asia. The top countries of suppliers are India, China, and India, from which the percentage of diamond core drill bit supply is 1%, 98%, and 1% respectively.