Here is a list of leading national suppliers of Metric Full Hexagonal Nuts in the United Kingdom:

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Leading National Suppliers of Metric Full Hexagonal Nuts in the UK

1. DGN Products Ltd.

   • Website: dgnproducts.co.uk

2. RS Components Ltd.

   • Website: uk.rs-online.com

3. Fastenal UK

   • Website: uk.fastenal.com

4. Würth Group

   • Website: wuerth.co.uk

5. G. W. M. (Fasteners) Ltd.

   • Website: gwmfasteners.co.uk

6. Nuts and Bolts UK

   • Website: nutsandboltsuk.com

7. Boltbase (Bromley) Ltd.

   • Website: boltbase.co.uk

8. Accu

   • Website: accu.co.uk

9. Brammer Buck & Hickman

   • Website: brammer.uk.com

10. ProBolt

    • Website: probolt.com ```

Please note that the availability of products may vary, and it's recommended to check their specific product offerings for Metric Full Hexagonal Nuts.