---
product_id: 346330716
title: "Mild Steel Box Section Square/Rectangular Hollow Section Pipes | 25mm 40mm 50mm x 2.5mm Wall Thickness (40 x 40mm, 100cm)"
brand: "mkgt"
price: "$288"
currency: NZD
in_stock: true
reviews_count: 8
category: "Mkgt"
url: https://www.desertcart.nz/products/346330716-mild-steel-box-section-square-rectangular-hollow-section-pipes-25mm
store_origin: NZ
region: New Zealand
---

# Precision 2.5mm wall thickness Grade S235 mild steel, magnetic strength Versatile: bend, cut, drill, weld Mild Steel Box Section Square/Rectangular Hollow Section Pipes | 25mm 40mm 50mm x 2.5mm Wall Thickness (40 x 40mm, 100cm)

**Brand:** mkgt
**Price:** $288
**Availability:** ✅ In Stock

## Summary

> 🛠️ Build Bold, Build Smart — The Backbone of Every Visionary Project

## Quick Answers

- **What is this?** Mild Steel Box Section Square/Rectangular Hollow Section Pipes | 25mm 40mm 50mm x 2.5mm Wall Thickness (40 x 40mm, 100cm) by mkgt
- **How much does it cost?** $288 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/346330716-mild-steel-box-section-square-rectangular-hollow-section-pipes-25mm)

## Best For

- mkgt enthusiasts

## Why This Product

- Trusted mkgt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Pros:** Highly rated with 4.6 stars and top 10 rank in Steel Tubes category
- • **Premium Grade Steel:** Crafted from S235 black steel for reliable magnetic and structural performance
- • **Engineered for Strength:** Robust 2.5mm wall thickness ensures durability under pressure
- • **Multiple Sizes & Lengths:** Available in 25x25mm to 50x50mm, lengths from 30cm to 100cm for tailored solutions
- • **Ultimate Fabrication Flexibility:** Easily bend, cut, drill, and weld to fit any custom project

## Overview

This Mild Steel Box Section features a precise 2.5mm wall thickness made from premium S235 black steel, offering magnetic properties and exceptional strength. Available in multiple square and rectangular sizes with lengths up to 100cm, it’s engineered for versatile metalworking—bend, cut, drill, and weld with ease. Trusted by professionals and highly rated, it’s the go-to choice for durable, customizable structural fabrication.

## Description

2.5mm Wall Thickness Mild Steel Box Section is the perfect material for general purpose metal working Hollow Section might be bent, cut, drilled, and welded. For all sorts of structures and general fabrications for your metalworking Metal type: Black steel grade S235; Magnetic Available sizes: 25x25mm 40x40mm 50x50mm 50x25mm Available length: 30cm 50cm and 100cm

Review: Great stuff 👍 - Great stuff 👍
Review: Great service - Good value

## Features

- 2.5mm Wall Thickness Mild Steel Box Section is the perfect material for general purpose metal working
- Hollow Section might be bent, cut, drilled, and welded. For all sorts of structures and general fabrications for your metalworking
- Metal type: Black steel grade S235; Magnetic
- Available sizes: 25x25mm 40x40mm 50x50mm 50x25mm
- Available length: 30cm 50cm and 100cm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09775KRJ5 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 11,480 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 6 in Steel Tubes |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (127) |
| Date First Available | 14 Jun. 2021 |
| Finish | Unfinished |
| Item Weight | 4 kg |
| Manufacturer | MKGT |
| Material | 40 x 40mm |
| Product Dimensions | 100 x 4 x 0.1 cm; 4 kg |
| Size | 100cm |

## Product Details

- **Brand:** MKGT
- **Colour:** Black
- **Item length:** 39.37 Inches
- **Item weight:** 4 Kilograms
- **Manufacturer:** MKGT
- **Material:** 40 x 40mm
- **Nominal wall thickness:** 2.5 millimeters
- **Outside diameter:** 40 Millimetres
- **Product dimensions:** 100L x 4W centimetres

## Images

![Mild Steel Box Section Square/Rectangular Hollow Section Pipes | 25mm 40mm 50mm x 2.5mm Wall Thickness (40 x 40mm, 100cm) - Image 1](https://m.media-amazon.com/images/I/61SFK1XFsZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great stuff 👍
*by A***! on 26 January 2026*

Great stuff 👍

### ⭐⭐⭐⭐⭐ Great service
*by K***R on 3 July 2025*

Good value

### ⭐⭐⭐⭐⭐ Good selection of sizes
*by M***K on 2 March 2025*

I only needed a 30cm piece of box section so this was perfect. Well packaged and quick delivery. Would recommend

## Frequently Bought Together

- Mild Steel Box Section Square/Rectangular Hollow Section Pipes | 25mm 40mm 50mm x 2.5mm Wall Thickness (40 x 40mm, 100cm)
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**Shop now:** [https://www.desertcart.nz/products/346330716-mild-steel-box-section-square-rectangular-hollow-section-pipes-25mm](https://www.desertcart.nz/products/346330716-mild-steel-box-section-square-rectangular-hollow-section-pipes-25mm)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-07*