Find 25mm x 25mm x 2mm mild steel box section available with custom cutting to meet specific construction requirements. You can find other relevant product information, including grade, finish, and weight, on this page. metals4U is the UK’s leading online metal supplier, and our 25mm x 25mm steel box section is consistent with the quality and value we offer all the tradespeople, contractors, and keen hobbyists who rely on us nationwide. You can buy 25mm x 25mm in 3 metres or 6 metres, and if you order before 2pm, our same-day dispatch policy means you’ll be able to get to work in no time at all.