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Free Delivery in England, Wales & Central Scotland over £125*
Free Custom Cutting - No limits, No charges
Rated "Excellent"
33059 reviews on
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Metal Box Section

Free Custom Cutting - No Limits, No Charges Enter your dimensions on the product page and get exactly what you need... no wastage.

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  1. 300mm x 6mm Black Mild Steel Flat
    £66.96 p/m (ex VAT)
    300mm x 6mm Black Mild Steel Flat
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1 month ago
Hi quality materials
Hi quality materials, speedy delivery.
Christopher Wood
1 month ago
Good range and quality
Good range and quality, affordable and quick delivery
Caroline B
1 month ago
Good price
Good price. Good service. Very well packaged. Will definitely use again.
Adrian Barrett
1 month ago
All the options were clearly layed out…
All the options were clearly layed out on their site, my order was delivered promptly. Instructions on the site were easy to follow.
Stanley Pitt-Simkus
1 month ago
It was exactly what I was looking for…
It was exactly what I was looking for and speedy delivery
jean gibson
1 month ago
Great correspondence
Great correspondence Perfect
Martyn
1 month ago
Lots of options and quick delivery
Item as described and delivered within 2 days as stated.
Barry D
1 month ago
Highly recommend
Arrived early. Exactly as ordered. Very happy customer! Will definitely use again
Mark Deadfield
1 month ago
Put in a wee order
Put in a wee order. Not the biggest they'll have but they did it for me. Well packaged and fast delivery. Thank you. ?
Neil
1 month ago
Very prompt delivery and item just as…
Very prompt delivery and item just as requested. Would have been 5 stars but delivery costs were very high for such a small order. I phoned but they were unable to reduce cost. Still ordered from them as price of sheet was very good
Anon
1 month ago
Very good product and will be using…
Very good product and will be using again
customer
1 month ago
Excellent service and good delivery
Excellent service and good delivery. Exactly as ordered. Happy to use these people again.
Robert Cundall
1 month ago
Website easy to understand
Website easy to understand, once order was processed was delivered pretty quick would recommend
Gavin
1 month ago
Good price and delivery
Good price and delivery
Tim Plumb
1 month ago
Great service and great product
Great service and great product. Super quick delivery too! Ordered a special size, accurate cutting, really happy. Thanks. I know where to come when I need more. Also worth noting, excellent packaging meaning the product arrived in perfect condition. Awesome ?
Carl

For Trade & DIY

metals4U are the first online retailer of metal. We supply mild steel, aluminium, brass & more to both businesses & individuals. We offer a FREE professional cutting service which means you only pay for what you want with no wastage. Just enter the size you need and leave the rest to us.

Customer Helpline

If you have any questions about our products or need any help with your order, simply call 01937 534318 to speak to one of the friendly experts in our Customer Service team who will be happy to help.

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Delivery & Collection

Fast & Convenient delivery options starting at just £10.00 - FREE DELIVERY on orders over £125.00 (ex VAT) to mainland England, Wales & Central Scotland.

GUARANTEED SAME & NEXT DAY delivery available - See our delivery page for info.

FREE COLLECTION is also available from our Wetherby facility.

Copyright © 2026 metals4U Ltd. All rights reserved. metals4U Ltd Armitage Works, Sandbeck Way, Sandbeck Industrial Estate, Wetherby, West Yorkshire, LS22 7DN Telephone: 01937 534318