---
product_id: 63913240
title: "(25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion"
brand: "protobuilds"
price: "C$3576"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/63913240-25-pack-inside-hidden-corner-bracket-90-degree-with-m5
store_origin: NI
region: Nicaragua
---

# (25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion

**Brand:** protobuilds
**Price:** C$3576
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** (25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion by protobuilds
- **How much does it cost?** C$3576 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/63913240-25-pack-inside-hidden-corner-bracket-90-degree-with-m5)

## Best For

- protobuilds enthusiasts

## Why This Product

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

## Description

These connectors are slotted to fit any 2020 (20mm x 20mm) compatible extrusion profile and provide a hidden 90 degree inside corner edge. Connection is quick and easy with included M5 set screws.

## Features

- Fits standard 2020, 20x20mm, 20 series, T-slot aluminum extrusion.
- Material: cast steel
- Dimensions: 25 x 10mm
- (2x) M5 set screw (5 x 0.80 x 4mm) per bracket

## Images

![(25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion - Image 1](https://images-na.ssl-images-amazon.com/images/I/41z06UV4uwL.jpg)
![(25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion - Image 2](https://images-na.ssl-images-amazon.com/images/I/51bskA1BiSL.jpg)
![(25 pack) Inside Hidden Corner Bracket - 90 degree - with M5 set screws - for 20mm x 20mm, 2020, 20 series, T slot extrusion - Image 3](https://images-na.ssl-images-amazon.com/images/I/41STBTtqxNL.jpg)

---

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**Shop now:** [https://www.desertcart.ni/products/63913240-25-pack-inside-hidden-corner-bracket-90-degree-with-m5](https://www.desertcart.ni/products/63913240-25-pack-inside-hidden-corner-bracket-90-degree-with-m5)

---

*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-02-20*