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- MH-3C
Replaceable Type Roller Bit
MH-3C
MH-3C series is designed for contractors requiring flexibility and convenience in bored piling operations. It utilizes a dual assurance design combining mechanical bolt connections with welding, ensuring the reliability of connections while allowing for the onsite replacement of roller bits.
The roller bits is derived from the advanced FIRMTECH Pro model MH-3, inheriting its advantages and further featuring convenient replacement and precise welding positioning capabilities.
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
Slot & Bolts Connection
- Base slot with dual-bolt connection
- Threaded Rollers: Ensures stable connection strength over time
- Durability: Maintains high strength, resisting wear and tear
- Easy Maintenance: Reduced contact area for easier roller replacement
3rd Generation Cone
- Spec:125mm*80mm*120mm
- Increased holder thickness for enhanced durability
- Advantages:
- Minimizes the impact of welding heat on the bearing system.
- Accurate positioning, quick replacement.
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
Spec.
MH-3C
Current spec. similar to 8.5″, we also have 12.5″ roller cutter, which could customize as per request
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.
