Is the internal or external dimension 20mm? I need this to connect 2 pieces of 20mm x 20mm wood together

20mm is the external dimension. The internal dimension is 16mm

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Deliver to Slovakia

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Description

⚡️ Elevate your metalwork game with precision and durability!

TRUSTED QUALITY - Manufactured by KIMETALS, a name synonymous with reliable commercial-grade steel.
BUILT FOR PRECISION - Exact 40mm x 40mm x 3mm square tube size ensures seamless integration into your projects.
ULTIMATE VERSATILITY - Easily bend, cut, drill, and weld to customize your metalwork with professional-grade flexibility.
LIGHTWEIGHT YET STRONG - At just 3.36 kg per 1m length, it balances portability with robust strength for demanding tasks.
CORROSION RESISTANT FINISH - Galvanised coating protects against rust, extending the lifespan of your structures.

This 1000mm galvanised mild steel square tube (40x40x3mm) from KIMETALS offers commercial-grade strength and corrosion resistance, perfect for versatile metal fabrication including bending, cutting, drilling, and welding. Ideal for professionals seeking reliable, long-lasting steel sections.

Reviews

P**Y

Strong Accurate Well Forged

Has fulfilled what I hoped it would be.

1.10.2024

B**B

Heavy galvanising and quick delivery

These two items, one box section and one angle iron, arrived very quickly were exactly as specified and have allowed me to make a very sturdy repair to my double garage door which had started to fold in the middle. I hope this helps

15.10.2022

L**

Amazing

I loved this item pared with eacko friendly woodvenear and screws I borrowed from my aunt I had so much more space in my 1by1 apartment and lots of storeg for my out of season clothes

4.06.2024

A**R

Great hollow section

Just what I wanted but didn’t want the hole in it

11.05.2025

M**N

Little john

I brought it to expand my 0.1m home.

6.06.2024

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