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Professional Roller Cutter
Designer & Manufacturer

TOSI Roller Cutter – Engineered for precision, durability, and performance in tunneling, mining, and heavy-duty industrial applications.

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About TOSI Roller Cutter

SICHUAN TOSI MACHINERY INDUSTRY CO., LTD. is a leading professional designer and manufacturer of high-performance roller cutters for tunnel boring machines (TBMs), roadheaders, and mining equipment.

With years of engineering expertise and advanced manufacturing capabilities, we deliver reliable cutting solutions trusted by global infrastructure and mining projects.

  • Durable design for extreme conditions
  • Precision-engineered for optimal performance
  • Global export experience in over 30 countries
  • ISO-compliant quality control systems
Roller Cutter Manufacturing Roller Cutter Assembly Cutting Tools Inspection Industrial Machinery

Our Product Range

Discover our advanced roller cutter series designed for maximum efficiency, wear resistance, and long service life.

RBM Cutter

RBM Cutter

High-strength roller bit machine cutter designed for hard rock excavation and tunneling applications.

  • Diameter: 16", 17", 18"
  • Load Capacity: Up to 45 tons
  • Material: High-carbon alloy steel
  • Sealing: Double lip seal with lubrication
RCD Cutter

RCD Cutter

Roller cone drag cutter for mixed ground conditions, combining durability with smooth cutting action.

  • Diameter: 14", 15", 16"
  • Application: Soft to medium ground
  • Design: Anti-friction bearings
  • Life Span: 500+ hours average
TBM Cutter

TBM Cutter

Tunnel Boring Machine cutter optimized for high-speed tunneling with minimal downtime.

  • Diameter: 17", 19", 20"
  • Thrust: 25–50 tons
  • Hardfacing: Tungsten carbide inserts
  • Compatibility: All major TBM brands

Heavy-Duty RBM Cutter

Reinforced version for ultra-hard rock and abrasive strata with enhanced bearing protection.

  • Diameter: 18", 20"
  • Max Load: 55 tons
  • Seal Type: Triple-labyrinth sealing
  • Features: Thermal overload protection

Mini RCD Cutter

Compact design for small-diameter TBMs and micro-tunneling projects.

  • Diameter: 10", 12", 13"
  • Weight: 35–60 kg
  • Use Case: Urban utility tunnels
  • Installation: Quick-change system

TBM Disc Cutter (20")

Premium disc cutter for large-scale tunneling with extended maintenance intervals.

  • Diameter: 20 inches
  • Rated Life: 800+ hours
  • Material: Forged alloy steel
  • Standard: ISO 21940 compliant

RBM Cutter (16")

Standard-duty roller cutter ideal for medium rock formations and drainage tunnels.

  • Diameter: 16 inches
  • Load: 35 tons
  • Sealing: Double lip + O-ring
  • Warranty: 6 months or 300 hrs

Custom TBM Cutters

Tailored solutions based on geological data, machine specs, and project requirements.

  • Custom Sizes: 12" to 22"
  • Materials: Bespoke alloy blends
  • Design: CAD/CAM engineered
  • Support: On-site technical team

Why Choose TOSI Roller Cutters?

Engineered for excellence, built to last. Our roller cutters combine innovation, quality, and reliability.

Durability

Forged from high-grade alloys and heat-treated for maximum wear resistance.

High Performance

Optimized geometry ensures efficient rock fragmentation and reduced energy use.

Precision Engineering

CNC-machined components ensure perfect fit and consistent performance.

Global Support

Exported to over 30 countries with technical support and spare parts availability.

15+
Years Experience
30+
Countries Served
500K+
Cutters Delivered
98%
Customer Satisfaction

Frequently Asked Questions

What types of roller cutters do you manufacture?
We specialize in RBM Cutters, RCD Cutters, and TBM Cutters for tunneling and mining applications. Custom designs are also available based on project requirements.
What is the typical lifespan of your cutters?
Lifespan varies by model and application. Standard TBM cutters last between 300–800 hours depending on rock hardness and operating conditions.
Do you offer international shipping?
Yes, we export globally through SICHUAN RONG FENG IMP. & EXP. CO., LTD. with reliable logistics partners and customs documentation support.
Can you customize cutters for specific machines?
Absolutely. We provide OEM and custom engineering services to match your TBM or roadheader specifications.
What quality standards do you follow?
Our manufacturing process adheres to ISO quality management standards with rigorous testing at every stage.

Get in Touch

For inquiries, quotes, or technical support, reach out to our team directly.

Contact Information

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