Architectural Aluminum Angles – Mill Finish 6063-T6 Alloy Profiles for Trim, Framing & Millwork
Our mill finish architectural aluminum angles are made from 6063-T6 Aluminum and can be used in various architectural applications. Designed for versatility, they are commonly used to finish millwork, trim, or to add protection for surfaces.
Product Description
About Architectural Aluminum Angles
Our mill finish architectural aluminum angle are manufactured from premium 6063-T6 aluminum, a trusted alloy known for its strength, corrosion resistance, and ease of fabrication. Each angle is formed through a precise aluminum manufacturing process, producing consistent dimensions and smooth finishes ideal for architectural projects.
These architectural aluminum angles are designed for maximum versatility, making them a reliable choice for both residential and commercial applications. Commonly used to finish millwork, trim, and edge protection, aluminum angles provide long-lasting durability while maintaining a clean, professional appearance.
Thanks to their excellent machinability, these architectural aluminum angles can be easily cut, shaped, drilled, and welded to suit a wide variety of project needs—from frame construction to decorative detailing. Available in five widths (0.75″, 1″, 1.25″, 1.5″, and 2″) and three stock lengths (48″, 96″, and 192″), our aluminum angle profiles give you the flexibility to match your exact requirements. For larger builds, we also provide custom architectural aluminum angles up to 16 feet. Whether you’re completing a small trim detail, fabricating architectural framing, or working on industrial construction, Monarch Metal’s aluminum angles deliver the strength, adaptability, and long-term performance your project demands.
Key Features of Architectural Aluminum Angles
- Material: 6063-T6 aluminum
- Finish: Mill Finish
- Widths Available: 0.75″, 1″, 1.25″, 1.5″, 2″
- Lengths Available: 48″, 96″, 192″ stock options
- Custom Lengths: Cut to size, up to 16 ft of aluminum angles
- Durability: Strong, lightweight, corrosion-resistant
- Fabrication: Easy to cut, drill, weld, and shape
Architectural Aluminum Angle Installation & Compatibility
- Ease of Use: Designed for simple cutting, drilling, and welding with standard tools
- Compatibility: Works in both residential and commercial applications
- Common Uses: Edge protection, architectural trim, structural framing, decorative finishing with architectural aluminum profiles
- Adaptability: Suitable for small detail work or large structural builds
- Ordering: Stock sizes available for fast shipping; custom lengths available upon request
Best Uses For Architectural Aluminum Angles
- Architectural trim and millwork projects
- Structural framing and reinforcement
- Protective edging for high-traffic areas and exposed surfaces
- Custom architectural aluminum projects requiring precise angle profiles
- Commercial, industrial, and residential building applications
Ordering & Custom Options For Architectural Aluminum Angles
- Stock Angles: Same/next business day shipping (online or phone)
- Custom lengths: Available upon request — Request a Quote
- Samples: Available for evaluation prior to purchase — Request a Sample
Frequently Asked Questions
An architectural aluminum angle is an L-shaped profile created by forcing aluminum through a die during the manufacturing process. This produces consistent dimensions and sharp angles, making it ideal for framing, trim, and structural applications.
Our angles are made from 6063-T6 aluminum, a versatile architectural alloy known for its smooth finish, corrosion resistance, and excellent machinability.
Architectural aluminum angles are commonly used for architectural trim, framing, millwork, protective edging, and panel reinforcement in both residential and commercial construction.
Mill finish refers to aluminum angles that have not undergone any additional surface treatment after the extrusion process. They retain their natural appearance as they come from the mill, which may include slight variations or marks from manufacturing. While mill finish aluminum offers good corrosion resistance and is suitable for many applications, it does not have the added protective layer or enhanced durability of anodized finishes.
Specifications & Downloads
| Weight | N/A |
|---|---|
| Dimensions | N/A |
| Material | 6063-T6 Aluminum |
| Finish | Mill |
| Custom Lengths Available | Up To 16 Feet |
| Width | 0.75 Inch, 1 Inch, 1.25 Inch, 1.5 Inch, 2 Inch |
| Length | 48 Inch, 96 Inch, 192 Inch |
| Availability | Same Day Shipping |
Photo Gallery
Mill Finish vs. Clear Anodized Aluminum
Choosing the right finish for your architectural aluminum angles depends on your application and desired appearance. Mill finish aluminum is raw and untreated, with a more natural, varied look. Clear anodized aluminum features a protective finish that provides a smoother, more consistent appearance along with added durability and corrosion resistance.


Architectural Aluminum Angles Clear Anodized
Our clear anodized architectural aluminum angles are made from 6063-T6 Aluminum and can be used in various architectural applications. Designed for versatility, they are commonly used to finish millwork, trim, or to add protection for surfaces.










