Everything You Wanted to Know About T-Slot Aluminum Extrusions

March 5, 2021

Are you trying to find the perfect structural framing?

If so, then you’ve probably come across the option of t-slot aluminum extrusion framework. But now you’ve got a few questions, right?

You want to know what the relevant benefits of this type of framework are. Also, you want to know its strength and flexibility. And you probably want to know about its usability and compatibility with other materials on site.

In this article, we will answer all of those questions and give you a complete rundown of t-slot framing. So if you want to understand the value and uses of this essential building material, just read on!

What Is T-Slot Framing?

T-slot framing is a type of structural framing system that uses t-slots, which is a universal connector for building materials. It is compatible with t-slot nuts, bolts, tracks, and brackets.

These connector items fit into a t-slot that runs down at least one side of the length of the structure. Often, t-slot framing has t-slots running down all four sides of a square or rectangular profile.

One of the primary advantages of this type of framing is that the t-slot connector system is easy to use, making it a building material that is both strong and efficient to construct.

What makes the t-slot framing so versatile and usable is that it comes in standardized sizing. This means you can easily pick up the materials from different manufacturers and use them together.

There are both metric and imperial sizings. The primary ones are 1 and 1.5-inch profiles, as well as 20, 25, 30, 35, 40, and 45-mm profiles. There is a wide variety of hardware fitting options compatible with all of these sizes.

On any t-slot frame, the t-slots are always organized around dead center. This makes welding between different lengths and sizes much easier. This is also one of the major advantages that it holds over welded iron framing.


Other than its universal versatility and compatibility, t-slot framing is well-known for its heavy-duty strength. T slot aluminum is more often than not the 6105 aluminum variety.

This particular alloy is strengthened with chromium, copper, iron, magnesium, zinc, titanium, and silicon.

It's also known for its high tensile rating. This makes it flexible enough for being used in relatively large structures. It will also provide some give for a moderate amount of wind and structural movement.

T-slot framing is also considered very highly for its thermal expansion rating. This makes it a versatile material to be used in different climates with high levels of temperature fluctuation.

The T-Slot Verdict

All in all, t-slot framing is an all-around winner for a vast range of applications. It is a basic building material that is quite affordable for builders and contractors working at virtually all price points.

In sum, it is cheap, strong, flexible, and versatile. What more is there to want?

If you’ve found this information useful, why don’t you check out some of our other great articles on building materials and products?


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