Here is a list of leading national suppliers of clamp rests in the United Kingdom, formatted in Markdown:

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Leading National Suppliers of Clamp Rests in the UK

1. Brammer Buck & Hickman

   • Website: www.bbh.co.uk
   • Overview: A prominent supplier of industrial products, including a variety of clamps and rests.

2. RS Components

   • Website: www.rs-online.com
   • Overview: One of the UK's largest electronic and industrial components distributors, offering a wide range of clamp rests.

3. Toolstation

   • Website: www.toolstation.com
   • Overview: A supplier of tools, accessories, and construction products, with a selection of clamp rests.

4. Wickes

   • Website: www.wickes.co.uk
   • Overview: A UK-based home improvement retailer that offers a variety of clamp-related products.

5. Screwfix

   • Website: www.screwfix.com
   • Overview: A leading retailer of trade tools, accessories, and hardware, including clamps and rests.

6. McAlpine

   • Website: www.mcalpineplumbing.com
   • Overview: Specializes in plumbing and drainage products, including various types of clamps.

7. Fastenal

   • Website: www.fastenal.co.uk
   • Overview: Provides industrial and construction supplies, including clamps and fastening solutions.

8. Graham Plumbers' Merchant

   • Website: www.grahamplumbersmerchant.co.uk
   • Overview: A leading plumbing merchant in the UK, offering a range of plumbing supplies, including clamps.

9. Cromwell Tools

   • Website: www.cromwell.co.uk
   • Overview: Offers a vast array of tools and products, including clamp rests.

10. Argos

    • Website: www.argos.co.uk
    • Overview: Retailer that provides a range of consumer goods, including tools and hardware.

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This list includes a mix of general suppliers, tool retailers, and specialized merchants in the UK. Make sure to verify which suppliers specifically list the products you need.