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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.

Available Cone Size

roller bit model MH-7R

MH-7R (7.875”)

replaceable 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

roller cone 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.

HDD drilling tools catalog picture

Your Drilling Tool Partner

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

Ask For A Quick Quote

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

Thank You

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