
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

MH-7R (7.875”)

MH-3R (8.5”)

12MH-3R (12.5”)
Perfect Inserts for Every Rock Type
Engineered for All Rock Conditions—Tailored Solutions for Your Unique Project

Chisel
60-110MPa

Conical
100-180MPa

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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