- Home
- >>
- Product
- >>
- Foundation Tools
- >>
- Roller Bit
- >>
- MH-2
Classic Type
MH-2
Tricone roller cone design
The MH-2 roller bit is one of DRILLNOVA’s most trusted products, featuring over 2.3 kg of inserts in each cone. With its legacy as a benchmark in the industry, the MH-2 has garnered widespread acclaim from clients around the globe. This classic first-generation leg design has been in use for over 100 years, originating from tricone bit design. Our latest third-generation cone incorporates fully covered inserts, ensuring exceptional performance.
3rd Generation Cone
• Piling Design 3rd Generation
• Inserts Qty: Maximized 52 pcs
• OD: 139 mm
• Feature: Full covered insert, no blind spot
• Performance: Maximum duration & penetration rate
1st Generation Body
• Tricone Bit Design
• Shape: Irregular body shape
• Advantages:
• High torque & drilling weight capacity
Vaccum Grease Systerm
• Piling Design
• 0.6 Mpa consistent pressure
• Advantages:
• No rubber component, less vulnerable to welding heat
• 20% bearing working life increase
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
* Note: only available for 3rd Generation Cone
Additional Support
Select Roller Bit
Selecting the appropriate type and quality based on the geological formation is crucial for optimizing drilling efficiency
Improve Tool Design
A well-designed core barrel enhances debris removal, significantly improving drilling efficiency
Welding Instruction
Correct roller bit placement and welding accuracy are vital for achieving the desired drilling results.
Operation Tips
Proper control of drilling weight and rotating speed directly impacts penetration rates and roller bit wear