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Forged steel body,made by 42CrMo or better, special heat treatment to meet high toughness&wear resist character. Hardfacing if required,low pressure sintered carbide with suitable grade according to target projects.PDC tips is also avilable for very high performace.
We can do it according to the customer's drawings or samples.
We supply the coal mining bits and the holders.I'm forword to your inquire.
