---
product_id: 193268302
title: "Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel"
brand: "outwater"
price: "441.39 DT"
currency: TND
in_stock: true
reviews_count: 8
category: "Outwater"
url: https://www.desertcart.tn/products/193268302-mill-finish-1-4-inside-dimension-aluminum-u-channel-48
store_origin: TN
region: Tunisia
---

# Precise 1/4'' inside dimension Durable 6063 T5 aluminum alloy Proudly made in the USA Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel

**Brand:** outwater
**Price:** 441.39 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your edge game with precision and durability!

## Quick Answers

- **What is this?** Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel by outwater
- **How much does it cost?** 441.39 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/193268302-mill-finish-1-4-inside-dimension-aluminum-u-channel-48)

## Best For

- outwater enthusiasts

## Why This Product

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

## Key Features

- • **Shelf Savior:** Effectively reduces sagging and bowing in shelves, adding structural integrity with minimal effort.
- • **Built to Last:** Crafted from premium 6063 T5 aluminum, offering superior impact resistance and zero rust—ideal for long-term projects.
- • **Versatile Design:** Transforms ordinary edges into sleek, professional frames for posters, signage, displays, and more.
- • **Perfect Fit Every Time:** Engineered to snugly fit 1/4'' thick panels, ensuring seamless installation without extra sanding or filing.
- • **Hassle-Free Installation:** Mill finish surface means no additional prep work—save time and avoid messy sanding or filing.

## Overview

This pack of three 48-inch Mill Finish Aluminum U-Channels features a precise 1/4'' inside dimension, made from robust 6063 T5 aluminum alloy that resists rust and impact. Perfect for framing, edging, and reinforcing shelves, these USA-made channels offer a sleek, unfinished mill finish that requires no extra sanding or filing, streamlining your installation process.

## Description

desertcart.com: Outwater Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel : Everything Else

Review: Product meets spec - Exactly as described. Outwater U-channel with 1/4" exterior dimension fits cleanly within it with just enough clearance to allow sliding.
Review: As advised - Could be a bit stronger but otherwise as advised

## Features

- Fits 1/4" thick panels. Made of 6063 T5 aluminum that offers impact protection and will not rust
- Can be used as decorative edging or framing for posters, custom signage, displays and more.
- Will reduce sagging or bowing in shelves when properly installed.
- Mill Finish. Made in the USA. Add tape to the edge of the substrate or board if the channel fit is loose/not a perfect fit
- Save time on installation with no sanding or filing on any raw or unfinished edges.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07MT4PSV3 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #156,603 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #73 in Aluminum Channels |
| Color | Mill |
| Customer Reviews | 4.4 4.4 out of 5 stars (39) |
| Date First Available | November 8, 2019 |
| Finish | Unfinished, stainless steel |
| Item Package Quantity | 1 |
| Item Weight | 14.4 ounces |
| Item model number | 3P1.27.00285 |
| Manufacturer | Outwater |
| Material | Aluminum |
| Package Dimensions | 47.5 x 1 x 0.5 inches |
| Part Number | 3P1.27.00285 |
| Shape | Rectangular |
| Size | 48'' Lengths - Pack of 3 |

## Images

![Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel - Image 1](https://m.media-amazon.com/images/I/31A7Xy8r4WL.jpg)
![Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel - Image 2](https://m.media-amazon.com/images/I/41S-Lv3ZmWL.jpg)
![Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel - Image 3](https://m.media-amazon.com/images/I/61U-8lPi9oL.jpg)
![Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel - Image 4](https://m.media-amazon.com/images/I/51HWhj5l1QL.jpg)
![Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel - Image 5](https://m.media-amazon.com/images/I/81Z1kj744KL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Product meets spec
*by D***1 on December 13, 2025*

Exactly as described. Outwater U-channel with 1/4" exterior dimension fits cleanly within it with just enough clearance to allow sliding.

### ⭐⭐⭐⭐ As advised
*by A***R on October 10, 2025*

Could be a bit stronger but otherwise as advised

### ⭐⭐⭐⭐⭐ I'm happy
*by O***N on May 11, 2025*

Exactly what I was looking for. Great product. Fast shipping. I'll be coming back.

## Frequently Bought Together

- Outwater Mill Finish 1/4'' Inside Dimension Aluminum U-Channel 48'' Length (Pack of 3) Alu257-M C-Channel
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- Yaocom 2 Pcs 4 ft 1/4" U Channel Aluminum 1/16" Walls x 3/8" High x 3/8" Width Aluminum C Channel Metal 6063 Alloy T-6 Temper for Posters Signs Frame Display Stands

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**Shop now:** [https://www.desertcart.tn/products/193268302-mill-finish-1-4-inside-dimension-aluminum-u-channel-48](https://www.desertcart.tn/products/193268302-mill-finish-1-4-inside-dimension-aluminum-u-channel-48)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-09*