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LOCKBOLT EXPERT Precision Fastening Solutions

R&D and manufacturing of lockbolts, structural rivets, and tools at international first-class quality — with 30–50% cost savings.

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About LOCK FASTENER

NANTONG LOCK FASTENER MANUFACTURING CO., LTD. is located in Nantong, China, with internationally leading R&D and manufacturing capabilities. We specialize in the development and production of high-strength fastening systems including lockbolts, blind rivets, and specialized tooling.

Our advanced production equipment and comprehensive quality management system are certified under IATF16949, ensuring continuous stability, reliability, and compliance with international standards.

“With more than 10 years of service experience in China's railway system, we have the opportunity to solve various fastening problems. With the improvement of China's railway, we have gained huge experiences. Now is the time to bring the products and solutions to the whole world.”

— Louis Liu, Vice President of Technology

LOCK FASTENER Manufacturing Facility

Our Products

Engineered for strength, reliability, and ease of installation — our fasteners are trusted across solar, wind, rail, and industrial applications.

Nlock Lockbolt

Nlock Lockbolt

High-strength structural lockbolt with excellent vibration resistance. Ideal for rail and heavy vehicle applications.

  • • Material: Alloy Steel, Stainless Steel
  • • Diameter Range: M4–M12
  • • Certified to IATF16949 standards
Mlock Lockbolt

Mlock Lockbolt

Medium-diameter lockbolt with multi-grip capability. Designed for modular construction and solar mounting.

  • • Multi-grip range: 3–15mm
  • • Corrosion-resistant coating
  • • High shear and tensile strength
BLB Lockbolt

BLB Lockbolt

Blind lockbolt for inaccessible rear-side applications. Perfect for wind turbine nacelles and communication towers.

  • • Fully blind installation
  • • High clamping force
  • • Reusable tooling interface
Small Lockbolt

Small Lockbolt

Compact lockbolt for precision assemblies in electronics and light industrial equipment.

  • • Miniature design: M2.5–M5
  • • Lightweight and strong
  • • Ideal for automation lines
Dlock-Bulb Lockbolt

Dlock-Bulb Lockbolt

Bulb-tail lockbolt for high-vibration environments. Commonly used in rail and commercial vehicles.

  • • Bulb-formed blind side
  • • Superior vibration resistance
  • • Sealed joint integrity
Multi-grip Lockbolt

Multi-grip Lockbolt

Adaptable fastener for variable material thicknesses. Reduces inventory complexity.

  • • Adjustable grip range
  • • One tool, multiple sizes
  • • Fast installation cycle
StBolt

StBolt

Structural tension bolt for heavy-load applications in construction and energy infrastructure.

  • • High tensile strength
  • • Preload consistency
  • • Suitable for seismic zones
Blind Rivets

Blind Rivets

Aluminum, steel, and stainless steel blind rivets for lightweight and corrosion-prone environments.

  • • Quick installation
  • • Wide diameter range
  • • Available with sealants

Serving Key Industries

Our fasteners are trusted in high-demand sectors worldwide.

Solar Energy

Secure and durable mounting solutions for solar panel frames and racking systems.

Wind Energy

High-strength fasteners for nacelles, towers, and blade assemblies in extreme conditions.

Rail Transportation

Vibration-resistant lockbolts for carriages, bogies, and signaling systems.

Communication Industry

Reliable fastening for 5G towers, enclosures, and antenna mounts.

Commercial Vehicle

Structural fasteners for truck chassis, trailers, and electric vehicle frames.

Construction

High-performance bolts for steel structures, bridges, and modular buildings.

Why Choose LOCKRIVET.NET?

We deliver unmatched value, speed, and service — without compromise.

1

Unbeatable Value

Same quality as top international brands — at 30–50% lower cost.

2

Swift Delivery

Standard models shipped in 30 days. Repeat orders even faster.

3

Low MOQ Accepted

No minimum order quantity. We produce exactly what you need.

4

Comprehensive Solutions

Tools, gun heads, spare parts — we provide full support.

5

Exceptional Customer Support

Free support — even for non-product-related issues. Your success is our mission.

What Our Team Says

“With the perfect product chain and optimized internal management, we can supply LockBolt products with high cost performance to the world at a competitive price on the premise of ensuring product quality. With an opportunity, we can get orders, and you can get more benefits.”

— Aaron Huang, Sales Manager

“As a high-strength fastening method, LockBolt is a mature product and solution in developed countries. We are honored to meet you today as China's leading manufacturer in this product field. We are looking forward to know you, but we are more looking forward to you knowing our products and knowing our brand.”

— Grace Zhang, Product Manager

Get in Touch

Ready to reduce costs, speed up delivery, and improve performance? Contact us today.

Contact Information

Address: No. 90, Dongyue Rd, Jiang’an Town, Rugao, Nantong City, Jiangsu Province, China (226534)

Office: +86 513 8759 2969

Mobile: +86 190 3377 2185

Email: hhf@lockrivet.net

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