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FrictionStabilizer – Engineered for Strength

China's Largest Manufacturer of Split Set & Friction Bolt Systems. Delivering High-Performance Ground Support for Mines, Tunnels, and Slopes Worldwide.

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Trusted by Industry Leaders Worldwide

Tanrimine Metal Support Co., Ltd. (TRM) is the biggest manufacturer and supplier of split set products in China, with over 10,000 tons of annual production capacity. We specialize in high-strength friction bolts, stabilizers, plates, and complete ground support systems.

Our products are engineered using high-strength steel strips with ultra-low levels of silicon and phosphorus, ensuring superior performance in rock support and excellent galvanizing quality. Advanced PLC-controlled auto-welders guarantee precision and consistency.

10,000+
Tons Annual Capacity
Global
Export to 50+ Countries
Friction Bolt Manufacturing

Our Core Strengths

Engineered Excellence from Raw Material to Final Delivery

Expert Team

Decades of professional experience in mining support systems with excellent design and engineering capabilities.

Quality Assurance

Strict control over every production process — from steel mill input to final delivery — ensuring absolute best quality.

High Capacity

Over 10,000 tons annual capacity with advanced roll-formers and PLC-welders for consistent, high-volume output.

Featured Products

Premium Friction Bolts, Plates, and Support Systems

FB-47 Friction Bolt

FB-47 Friction Bolt

Primary support stabilizer for mines, tunnels, and slopes. Ideal for mechanized jumbo operations.

  • • High-strength steel strip
  • • Low Si & P content
  • • PLC-controlled welding
  • • Galvanizing-ready
FB-39 Friction Bolt

FB-39 Friction Bolt

Used for securing strata mesh or as primary support in small-diameter holes.

  • • Compatible with 47mm bolts
  • • High tensile strength
  • • Precision-formed
  • • Corrosion-resistant
FB-33 Friction Bolt

FB-33 Friction Bolt

Designed for hand-held mining operations with reliable ground support.

  • • Compact design
  • • Easy installation
  • • High durability
  • • Optimized for manual use
Combi Plate

Combi Plate

Combination plate for enhanced rock support and mesh fixation.

  • • Larger support area
  • • Hanger loop included
  • • For ventilation/lighting
  • • Durable galvanized finish
Duo Plate

Duo Plate

Enhances support area when used with friction bolts.

  • • Dual-plate design
  • • Mesh fixation
  • • Hanger loop for utilities
  • • High load-bearing
Dome Plate

Dome Plate

Traditional bearing plate for reliable rock surface contact.

  • • Classic design
  • • Even load distribution
  • • Galvanized for longevity
  • • Standard in mining
Threadbar Bolt

Threadbar Bolt

High-tensile threaded rock bolt for permanent ground support.

  • • Fully threaded
  • • High load capacity
  • • Corrosion-resistant
  • • Custom lengths available
Roundbar Bolt

Roundbar Bolt

Solid round steel bar for rock reinforcement in demanding conditions.

  • • High ductility
  • • Impact-resistant
  • • Hot-rolled steel
  • • Ideal for dynamic loads
View All Products

Why Choose FrictionStabilizer?

Engineered for Performance, Built for Reliability

Superior Material Quality

High-strength steel with ultra-low Si & P content ensures durability and excellent galvanizing adhesion.

Advanced Manufacturing

PLC-controlled auto-welders and roll-formers ensure precision, consistency, and high-volume output.

Global Supply Network

Trusted by top-ranking customers worldwide with fast turnaround and on-time delivery.

Complete Support Systems

From bolts to plates, mesh, and accessories — we provide full ground support solutions.

High Production Capacity

Over 10,000 tons annual capacity ensures we meet large-scale project demands efficiently.

Industry Trusted

Recognized as China’s largest split set manufacturer with a proven track record.

10K+
Tons Produced Annually
50+
Countries Served
20+
Years Experience
100%
Quality Control

Frequently Asked Questions

Everything You Need to Know About Our Products

What is a Friction Bolt?

A friction bolt (or split set) is a self-drilling ground support element used in mining and tunneling. It expands upon insertion to create radial pressure against the borehole wall, providing immediate and reliable support.

How do I install a friction stabilizer?

Friction stabilizers are typically hammered or jumbo-installed into pre-drilled holes. The bolt compresses during insertion and expands to grip the rock, requiring no grouting or anchoring resin.

Are your products galvanized?

Yes, all our friction bolts and plates are available in galvanized finish to ensure long-term corrosion resistance in harsh underground environments.

Can I get custom lengths or diameters?

Yes, we offer custom manufacturing for various lengths, diameters, and plate configurations to meet specific project requirements.

Get in Touch

Reach out for product inquiries, pricing, or technical support.

For inquiries about our products or pricelist, please contact us directly through the official website.

Visit Official Website

+86 13315128577

[email protected]

Dongtai Road, Huanghua City, Hebei, China

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