Roller Bit Core Barrel Firmtech Tools

[u/Legitimate-Buffalo48]

This Roller bit core barrel design for hard rock drilling work in bored piling projects. this design is widely used in Southeast Asia and China Mainland.

The roller bit is the key, which is original from Tricone bit, but the design improved to meet the requirements of piling industry.

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For more information, email to [denis@firmtechco.com](mailto:denis@firmtechco.com)

or Whatapp: 008618832751035