16in Aluminum Angle Stock 3 x 3 x 1/4 in - Durable Mill Stock

Our review of this 16in Aluminum Angle Stock finds it a sensible choice for hobbyists, fabricators and small shops that need a reliable length of aluminum angle for cutting, welding or machining. The most compelling reason to buy is its combination of usable 16in length and 6061-T6 alloy, which gives a smooth, corrosion-resistant surface and makes it easy to machine. For anyone building brackets, furniture frames or precision parts, this pack of two 3in x 3in x 1/4in pieces is practical and ready to be trimmed to size.

Key Features

• Size: The 3in x 3in x 1/4in cross section gives a substantial profile that suits structural brackets and support members.
• Length: Each 16in piece offers enough material to cut multiple smaller parts or to use one piece for longer braces.
• Material: Made from 6061-T6 aluminum mill stock, it provides good corrosion and oxidation resistance for long-term use.
• Finish: The surface is smooth and delivered without burrs, which reduces prep time before welding or finishing.
• Workability: 6061 aluminum is easy to machine and weld, making these angles versatile for machining, furniture and DIY craft projects.
• Value: Sold as a two-piece pack, it supplies extra material for iterative prototyping or paired assemblies.

Who It's For

This product is aimed at DIYers, metalworkers and small fabricators who need a reliable, general-purpose aluminum angle for brackets, frames and machined parts. The thicker 1/4in wall gives enough stiffness for light structural tasks while remaining easy to cut and shape with common tools.

Those who need specialized alloys, heat treatment beyond T6, or finished aesthetic extrusions for visible architectural applications should consider other stock; this is best used where machinability and corrosion resistance matter more than decorative surface detail.

Pros & Cons

Pros

• Solid 3in x 3in x 1/4in profile provides good rigidity for brackets and supports.
• 6061-T6 alloy balances machinability with corrosion resistance for many workshop tasks.
• Two 16in pieces give flexibility to cut multiple parts and offer good value for money.

Cons

• Not a polished decorative extrusion, so additional finishing may be needed for visible installations.
• Length may still require transport planning for larger shops that prefer longer stock.

Specifications

Brand	DIYDIYSHOP
Material	6061 aluminum, T6 mill stock
Dimensions	3in x 3in x 1/4in (75mm x 75mm x 6mm)
Length	16in each
Quantity	2 pieces
Finish	Smooth surface, deburred

Our Verdict

This 16in 6061-T6 aluminum angle stock is a practical, cost-effective choice for makers and small fabricators who need machinable, corrosion-resistant angle pieces. The 3in by 3in by 1/4in profile and two-piece pack make it versatile for brackets, furniture frames and precision machining, offering solid value when functionality is the priority.

Frequently Asked Questions

Is this angle ready to weld?
Yes, 6061-T6 aluminum can be welded with appropriate filler and technique, and the pieces arrive with a smooth, deburred surface that reduces prep time.

Can these pieces be cut to custom lengths?
Yes, the 16in length is intended to be cut as needed; standard metal cutting saws or band saws can be used.

Are these suitable for outdoor use?
The 6061 alloy has good corrosion and oxidation resistance, making it suitable for many outdoor and exposed applications with normal upkeep.