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- MH-3B
Replaceable Type Roller Bit
MH-3B
The MH-3B Bolted Roller is designed for contractors seeking speed, precision, and reliability in various drilling applications.
Unlike traditional welding methods, the MH-3B uses a high-strength bolt and locknut system to secure the roller into the core barrel. This innovative design allows for fast roller replacement, reducing downtime from days to just 1-2 hours.
3rd Generation Cone
- Full Covered 3rd Generation
- Inserts Qty: Maximized 52 pcs
- OD: 139 mm
- Feature: Fully covered insert, no blind spot
- Performance: Maximum duration & penetration rate
Pin & Bolts Connection
- Design: Pin for alignment, dual bolts for secure fastening.
- Anti-Loosening: Washers ensure strong, stable connections.
- Fast Replacement: On-site changes are completed in just 15 minutes.
- Durability: Built for long-term, heavy-duty use.
Tooth Arrangement
- Precise Tooth Placement: The flange ensures accurate tooth alignment, eliminating the hassle of on-site positioning.
- High Spiral Design: Facilitates faster slag removal, improving drilling speed and efficiency.
- Optimized Workflow: Reduces downtime, allowing for quicker progress during operations.
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
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
DRILLNOVA specializes in high-performance foundation drilling tools.
Reduce downtime, boost drilling efficiency.
Download our catalog to find Roller Bits built for reliable performance.
