tungsten carbide rock drill bit, tungsten carbide rock ...
5. Double Dome Button. Double Dome buttons are usually used drilling in hard rock, it can provide longer life span 20%-40% in premise of re-grinding carbide. 6. Flat Button. Flat buttons are usually used as protection buttons in bit side to reduce the wear on surface of Bits. Use 100% tungsten carbide raw material . ISO 9001 Certification
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