Carbide Button Bit are widely used for mining, oilfield, city construction, water & electricity, transportation. Various grades & types of button bits can be produced based on the rock hardness, drilling machine's model and power. Hengcheng can supply blank & finishing grinding bits in different grades and types. It is indicated that HCC's button bits have stable quality, good performance, and without the defects of pore and crack after over 10 years using by our customers.
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