1)KAIYU series rock drill bit 2)45mm R25 thread 3)ISO9001 Certificate 4)high quality, resonable price 5)Material:carbide

1)MY COMPANY IS THE BIGGEST ROCK DRILL BIT FACTORY IN CHINA, WE PRODUCE MANY KINDS ROCK DRILL BIT, CONTAINING CHISEL BIT,CROSS BIT,BUTTON BIT,DTH BIT,DTH HAMMER....

OUR PRODUCT QUALITY IS THE BEST, AND OUR PRICE IS VERY REASONABLE.

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 certification.

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Kaiyu button bit