---
product_id: 528572135
title: "20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories"
brand: "petox"
price: "$U3624"
currency: UYU
in_stock: true
url: https://www.desertcart.uy/products/528572135-20-set-black-4040-series-aluminum-extrusion-profile-connector-includes
store_origin: UY
region: Uruguay
---

# 20pcs 3540 Corner Brackets for rock-solid 90° joints 40pcs M8 x 16mm T-Slot Sliding Nuts & Hex Bolts for seamless assembly 1pc 5mm Wrench included for effortless DIY installation 20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories

**Brand:** petox
**Price:** $U3624
**Availability:** ✅ In Stock

## Summary

> 🖤 Build Bold. Connect Strong. Own the Frame.

## Quick Answers

- **What is this?** 20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories by petox
- **How much does it cost?** $U3624 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/528572135-20-set-black-4040-series-aluminum-extrusion-profile-connector-includes)

## Best For

- petox enthusiasts

## Why This Product

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

## Key Features

- • **Complete Connector Kit:** All-in-one set with 20 brackets, 40 sliding nuts, bolts, washers, and wrench—no extra tools needed.
- • **Effortless DIY Assembly:** Designed for quick, secure mounting with included wrench—get your project done faster and smarter.
- • **Durable & Rust-Resistant:** Black stainless steel screws and galvanized carbon steel nuts ensure long-lasting corrosion protection.
- • **Versatile Industrial Use:** Perfect for 3D printers, CNC machines, robotics, and custom frame projects—build like a pro.
- • **Precision Engineered 4040 Series:** Achieve flawless 90° aluminum extrusion connections with premium powder-coated brackets.

## Overview

This 20-piece Black 4040 Series Aluminum Extrusion Profile Connector Set by PETOX includes 20 corner brackets, 40 M8 T-slot sliding nuts and hex bolts, washers, and a 5mm wrench. Powder-coated for durability and rust resistance, it enables precise 90° connections for 40mm aluminum extrusions, ideal for industrial frames, CNC machines, 3D printers, and robotics projects. Engineered for easy DIY installation and built to last.

## Description

20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories

## Features

- 𝗖𝗢𝗦𝗧-𝗘𝗙𝗙𝗘𝗖𝗧𝗜𝗩𝗘 𝗚𝗢𝗢𝗗𝗦 - Our 4040 series aluminum profile connector set contains all the required parts to complete the installation of 30mm aluminum extrusion at a 90 degree angle. Package includes 20pcs 3540 Corner Bracket, 40pcs M8 x 16mm T-Slot Sliding Nuts and Hex Screw Bolt, 40pcs washer, 1pc 5mm Wrench for set screw
- 𝗪𝗜𝗗𝗘 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡 - Our 4040 corner brackets is widely used building industrial aluminum frame structures, 3D printers, CNC routers, CNC laser cutters, CNC plasma cutters, 3D engraving machines, machine guards, robotics projects etc
- 𝗦𝗨𝗣𝗘𝗥 𝗖𝗥𝗔𝗙𝗧 - Our 4040 extrusion corner bracket set is made of high quality material well tested by the manufacturer to meet your daily needs. The T-Slot Aluminum Extrusion and M8 x 16mm Hardware Slide In T-Nuts are made from high quality carbon steel galvanized. Black stainless steel hexagonal screws, more rust resistant, no oil stains
- 𝗘𝗔𝗦𝗬 𝗜𝗡𝗦𝗧𝗔𝗟𝗟𝗔𝗧𝗜𝗢𝗡 - If you like DIY industrial frame construction, don't hesitate to use our aluminum corner bracket to connect pieces of 40mm aluminum extrusion at a 90 degree angle suitable for most of metric 40 Series Aluminum Profile Extrusion
- 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗔𝗙𝗧𝗘𝗥-𝗦𝗔𝗟𝗘𝗦 𝗦𝗘𝗥𝗩𝗜𝗖𝗘 - PETOX a trusted brand is committed to providing customers with better quality products and more pleasant service. If you have any questions about our products, please feel free to contact us, we are always ready to answer your questions and solve your problem. We stand by our products, and our customers are our focus as a business

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Finish Type | Powder Coated |
| Unit Count | 20.0 Count |
| Item Depth | 1.19 inches |
| Mounting Type | Corner Mount |
| Manufacturer | PETOX |
| Part Number | E2022000063 |
| Item Weight | 3.24 pounds |
| Product Dimensions | 7.88 x 5.12 x 1.19 inches |
| Item model number | 3540 |
| Style | 20 Set Black 4040 Series with M8 screw nut |
| Finish | Powder Coated |
| Included Components | 20pcs 3540 Corner Bracket, 40pcs M8 x 16mm T-Slot Sliding Nuts and Hex Screw Bolt, 1pc 5mm Wrench for set screw |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** Black
- **Brand:** PETOX
- **Material:** Aluminum, Zinc Alloy
- **Item dimensions L x W x H:** 7.88 x 5.12 x 1.19 inches
- **Item Weight:** 1.47 Kilograms

## Images

![20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories - Image 1](https://m.media-amazon.com/images/I/81Efyc3AQ8L.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- PETOX 20 Set Black 4040 Series Aluminum Extrusion Profile Connector, Includes 1pc Wrench, 20pcs 3540 Corner Bracket, 40pcs M8 T-Slot Sliding Nuts and Hex Screw Bolt for 20S Aluminum Rail Accessories
- 4PCS T Slot 4040 Aluminum Extrusion Profile 19.7'',European Standard Anodized Linear Rail for 3D Printer Parts and CNC DIY 500mm Black(19.7inch)
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*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-02-07*