taper button bit 1)KAIYU series rock drill bit 2)45mm R25 thread 3)ISO9001 Certificate 4)high quality, resonable price

1)76mm taper button bit

2)Our tight focus and continuous development work secure the latest technical solutions for the most demanding rock conditions and for the most powerful rock drills, all for the benefit of our customers. With top quality Scandinavian steel for its products, and proven homogenous tungsten carbide for its buttons, we lay the foundation for an exceptional standard of finished drill bits. We have passed ISO 9001:2000 qualities administer system

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Kaiyu button bit