Here is a list of some leading global suppliers of scaffold bolts:

```markdown

Leading Global Suppliers of Scaffold Bolts

1. Hilti Corporation

   • A global leader in construction tools and technology, offering a wide range of connectors, including scaffold bolts.

2. Fastenal Company

   • A major supplier of industrial and construction supplies, including various types of bolts and fasteners.

3. Grainger Industrial Supply

   • Provides a broad range of products, including scaffold bolts, serving various industries, including construction.

4. Screwfix

   • A UK-based retailer of trade tools, accessories, and hardware, that offers scaffold bolts suitable for various applications.

5. Boulton & Paul Ltd.

   • A UK manufacturer known for its quality scaffolding components, including bolts and fittings.

6. Altrad Group

   • A leading provider of equipment and services in the industry, specializing in scaffolding and formwork solutions.

7. Layher Group

   • Renowned for its innovative scaffolding systems, they supply high-quality scaffold bolts and components.

8. PERI Group

   • Known for its formwork and scaffolding technology, they provide a variety of related fasteners and bolts.

9. Brady Corporation

   • Offers a wide range of industrial and construction fasteners, including scaffold bolts.

10. Würth Group

    • A multinational distributor of fasteners and other products, offering scaffold-related hardware.

```

These companies are recognized for their quality, innovation, and reliability within the scaffolding and construction sectors.