Here’s a list of some of the leading national suppliers of machine tool part holders in the United Kingdom:

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Leading Suppliers of Machine Tool Part Holders in the UK

1. GROVE TOOLING

   • Specializes in a wide range of tool-holding solutions and custom tooling applications.

2. TECMAN

   • Offers a variety of precision tool holders and accessories tailored for CNC machines.

3. MSC INDUSTRIAL SUPPLY

   • A major supplier of metalworking tools and supplies, including tool holders and related technologies.

4. WNT (UK)

   • Provides a comprehensive range of tool holders, cutting tools, and accessories for various machining applications.

5. LMC TOOLING

   • Supplies a wide range of high-quality tool holders and is known for precision engineering.

6. REGO-FIX Tool Corporation

   • Renowned for its high-precision tool holders and tool clamping solutions.

7. Harrison Machine Tools

   • Supplies various machine tools and parts, including tool holders, with an emphasis on customer service.

8. BISON-BIAL

   • Offers a range of tool holders and clamping devices suitable for different machining needs.

9. Teng Tools

   • Known for hand tools, but also supplies tool holders and accessories for machine tooling.

10. HAIMER

    • Recognized for innovation in tool holding, has a strong presence in the UK market.

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This list comprises companies that are well-regarded in the UK market for machine tool part holders. Depending on specific needs, you might want to delve deeper into each company's product offerings and capabilities.