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
Why Choose Drillnova
From engineering to final delivery, every drilling tool is built with a focus on reliability, consistency, and field performance.
Engineering Design
Designed and optimized for different drilling applications and ground conditions.
Precision Manufacturing
CNC machining, welding, hardfacing, and assembly completed under controlled production.
Quality Inspection
Every product is inspected before shipment to ensure consistent quality and reliable performance.
Global Supply
Supporting customers worldwide with efficient production, export documentation, and global delivery.
Technical Support
Responsive engineering and sales support from inquiry to after-sales service.
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.
