Top 10 Companies in the Global Structural Bolts Market (2025): Engineering the Backbone of Modern Infrastructure

In Business Insights
August 19, 2025

The Global Structural Bolts Market was valued at USD 816.90 million in 2023 and is projected to reach USD 1088.48 million by 2029, growing at a Compound Annual Growth Rate (CAGR) of 4.90% during the forecast period (2024-2029). This steady expansion reflects the critical role structural bolts play in construction, energy infrastructure, and industrial applications worldwide.

Structural bolts – the heavy-duty fasteners with thicker shanks and larger bearing surfaces than standard bolts – form the hidden joints that hold together everything from skyscrapers to wind turbines. As infrastructure investments surge across emerging economies and developed nations modernize their built environment, we examine the Top 10 Companies whose structural bolt innovations are securing the world’s steel frameworks.


🔟 1. Fontana Gruppo

Headquarters: Milan, Italy
Key Offering: A325, A490 structural bolts, seismic-resistant solutions

This Italian manufacturing powerhouse dominates Europe’s structural bolt sector with patented cold-forming techniques that enhance material strength. Fontana supplies critical infrastructure projects across 60+ countries with high-tolerance fasteners that meet rigorous international standards.

Technical Capabilities:

  • 150,000+ metric ton annual production capacity
  • Zinc-flake coatings for 3,000+ hour salt spray resistance
  • Automated quality control with laser measurement systems

Download FREE Sample Report: Global Structural Bolts Market – View in Detailed Research Report


9️⃣ 2. KAMAX

Headquarters: Osterode, Germany
Key Offering: HV bolts for heavy construction and industrial applications

German engineering precision meets industrial-scale production in KAMAX’s structural bolt solutions. The company’s proprietary heat treatment processes create fasteners with exceptional fatigue resistance for demanding structural connections.

Technical Capabilities:

  • 800+ specialized bolt grades and configurations
  • Industry-leading 100% batch traceability

8️⃣ 3. Infasco

Headquarters: Hamilton, Canada
Key Offering: ASTM-compliant structural bolt assemblies

As North America’s premier structural bolt manufacturer, Infasco combines rigorous testing protocols with innovative tension control solutions. Their products are specification standards for major bridge and high-rise projects across the continent.

Technical Capabilities:

  • Direct tension indicator (DTI) washer technology
  • Custom hot-dip galvanizing processes

7️⃣ 4. Nucor Fastener

Headquarters: Indiana, USA
Key Offering: A325T and A490 structural bolts

Nucor’s vertical integration from steelmaking to finished fasteners ensures unmatched material consistency. Their structural bolts are preferred for seismic zones due to exceptional ductility and toughness characteristics.

Technical Capabilities:

  • Melt-to-order steel composition control
  • Domestic production ensuring supply chain reliability

Download FREE Sample Report: Global Structural Bolts Market – View in Detailed Research Report


6️⃣ 5. Würth Group

Headquarters: Künzelsau, Germany
Key Offering: Engineered structural fastening systems

Würth brings German engineering rigor to structural connections, offering complete solutions from bolts to installation tools. Their technical support teams work directly with engineering firms to optimize joint designs.

Technical Capabilities:

  • ISO 898-1:2013 and EN 14399 compliance
  • Project-specific corrosion protection systems

5️⃣ 6. Stanley Black & Decker

Headquarters: Connecticut, USA
Key Offering: High-strength structural fastener systems

Stanley Engineered Fastening combines manufacturing scale with digital tracking – each structural bolt can be traced from production through installation in critical infrastructure projects worldwide.

Technical Capabilities:

  • Smart bolt technology with embedded identification
  • Automated quality assurance systems

4️⃣ 7. LISI Group

Headquarters: Paris, France
Key Offering: Aerospace-grade structural fasteners

LISI’s aerospace division produces some of the most precisely engineered structural bolts on earth, meeting exacting specifications for aircraft frames and other high-performance applications.

Technical Capabilities:

  • Titanium and specialty alloy fasteners
  • Nadcap-accredited manufacturing processes

3️⃣ 8. Cooper & Turner

Headquarters: Sheffield, UK
Key Offering: Critical application structural bolts

This British manufacturer specializes in fasteners for nuclear facilities, offshore platforms and other extreme environments where failure is not an option. Their products undergo more than 30 quality checks before shipment.

Technical Capabilities:

  • Full material traceability to original melt
  • Ultrasonic testing for internal defects

2️⃣ 9. Lejeune Bolt

Headquarters: Illinois, USA
Key Offering: Custom structural bolt solutions

Lejeune excels at developing application-specific structural fasteners, from extra-long anchor bolts for wind turbines to corrosion-resistant solutions for chemical plants.

Technical Capabilities:

  • R&D focused on challenging environments
  • Prototyping to production in 4-6 weeks

1️⃣ 10. Gem-Year

Headquarters: Jiaxing, China
Key Offering: High-volume structural bolts

As Asia’s structural bolt production leader, Gem-Year supplies cost-competitive fasteners meeting ASTM, DIN and JIS specifications. Their automated factories maintain consistency across massive production runs.

Technical Capabilities:

  • 1+ million metric ton annual capacity
  • Strict process control for export markets

Get Full Report Here: Global Structural Bolts Market – View in Detailed Research Report


🏗️ Structural Innovation for a Building Revolution

The structural bolts market is evolving beyond simple fasteners into engineered connection systems. As construction techniques advance and building codes tighten, these industry leaders are developing solutions for taller, more resilient, and sustainable structures.

🔩 Key Market Drivers:

  • Global infrastructure investment exceeding $4 trillion annually
  • Advancements in high-strength steel formulations
  • Smart bolt technology with strain monitoring
  • Offshore wind farm construction boom

Get Full Report Here: Global Structural Bolts Market – View in Detailed Research Report

These manufacturers aren’t just making bolts – they’re engineering the critical connections that enable modern megastructures while driving innovations in material science and construction technology.