Here's a list of some of the most well-known leading global suppliers of High Speed Steel (HSS) drill bit blanks, presented in Markdown format:

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Leading Global Suppliers of High Speed Steel (HSS) Drill Bit Blanks

1. Kennametal Inc.

   • Headquarters: Latrobe, Pennsylvania, USA
   • Specializes in tooling and industrial materials.

2. Dormer Pramet

   • Headquarters: Dronfield, United Kingdom
   • Part of the Dormer Pramet brand which offers a wide range of tools.

3. Gühring

   • Headquarters: Albstadt, Germany
   • Renowned for its comprehensive range of cutting tools.

4. Carbide and Steel (CSA)

   • Headquarters: North Carolina, USA
   • Focuses on providing high-quality steel products.

5. Heller Tools

   • Headquarters: Nürtingen, Germany
   • Offers a variety of precision tools including drill bits.

6. Sandvik Coromant

   • Headquarters: Sandviken, Sweden
   • A global leader in cutting tools and tooling systems.

7. Accu-Tec

   • Headquarters: Switzerland
   • Known for high precision tools and components.

8. M.A. Ford

   • Headquarters: USA
   • Specializes in high-performance cutting tools including drills.

9. Bosch

   • Headquarters: Gerlingen, Germany
   • A major player in power tools and high-speed steel products.

10. Tungaloy Corporation

    • Headquarters: Toyama, Japan
    • Offers a wide range of cutting tools and materials.

11. Walter AG

    • Headquarters: Tübingen, Germany
    • Known for tooling systems and machining solutions.

12. Iscar

    • Headquarters: Israel
    • Provides innovative cutting solutions and tools.

13. Kyocera Industrial Tools

    • Headquarters: Kyoto, Japan
    • Part of the Kyocera Corporation, dealing with industrial tools.

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This list includes a mix of companies known for their high-quality cutting tools and innovations in HSS products. Keep in mind that the industry is dynamic, and new suppliers may emerge while existing ones can evolve or merge.