Replaceable Roller Bit

Replaceable Type Roller Cone

MH-3R

Quick Replacement & Anti-Loosening System

Drillnova Bott-on cutter is engineered for high-efficiency field maintenance in HDD and Microtunneling reaming projects.
Each cutter uses a refined insert layout, tailored for directional drilling—minimizing vibration, enhancing steering precision, and increasing ROP across soft to hard formations.


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Available Cone Size

roller bit model MH-7R

MH-7R (7.875”)

roller bit model MH-3R

MH-3R (8.5”)

roller bit model MH-3R

12MH-3R (12.5”)

Perfect Inserts for Every Rock Type

Engineered for All Rock Conditions—Tailored Solutions for Your Unique Project

chisel teeth

Chisel

60-110MPa

conical teeth

Conical

100-180MPa

spherical teeth

Spherical

130-280MPa

Product Detail
















DRILLNOVA specializes in high-performance HDD drilling tools.

Reduce downtime, boost drilling efficiency.

Download our HDD catalog to find PDC bits built for reliable performance.


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HDD drilling tools catalog picture

Related Products


PDC Bit


Tricone bit


PDC Reamer


Hole Opener


Pulling Eyes


Weld_on Teeth


Your Drilling Tool Partner

Reliable HDD & Foundation tools
— custom-built and delivered fast.

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We will contact you within 1 working day, please pay attention to the email

Ask For A Quick Quote

We will contact you within 1 working day, please pay attention to the email