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T-Slot Aluminum: Fasteners

T-Slot Fasteners

When designing and constructing with aluminum t-slot extrusions, you’ll find there is a variety of accessories to assist in assembly; such as:

The above will help to build the aluminum framework for your desired application. Below we will discuss each one with an emphasis on the tslot fastener and its importance in customizing your project.

T-Slot Fasteners vs. Connectors

Fasteners are often confused with connectors, and vice versa. The two terms are used interchangeably when building t-slotted aluminum frameworks but have different uses. Unlike a connector, a t-slot fastener is used to attach accessories to  t-slot extrusion. Aluminum modular framing is built to be versatile and allow for numerous mounting options by way of fasteners. With the use of a t-slot fastener, you can mount a multitude of things like:

There are various types of fasteners, each one with its own distinct purpose.

The t-nut is the most common tslot fastener, and can come in the following designs:

In addition to the t-nuts, there are also t-bolts, which are made for metric and fractional profiles. T-bolts are used to fasten panels or components to an aluminum t-slotted extrusion. These fasteners are also commonly used as a grounding lug in ESD applications.

T-slot aluminum also uses external fasteners and this is where terminology can get tricky. This type of tslot hardware can be used as a fastener or a connector; either an anchor, end, central or hidden corner. These all mount anywhere easily to the outside of the t-slot aluminum to create strong connection points.

When using t-slotted aluminum for industrial applications, internal fasteners are best. Internal fasteners often require machining of the bars, whereas external fasteners/connectors do not.

T-Slot Connectors

While discussing the various types of t-slot fasteners and connectors, let’s not forget how easy it is to work with t-slot framing. No clamping or welding, just connect and go. From brackets to assembly plates, gussets and bolts, connectors come in all forms.

In order for a whole assembly to be durable and effective, it will need strong joint configurations. Like t-slot fasteners, connectors each have their own purpose depending on the construction, whether simple or complex. The different types of connectors include:

T-Slot Aluminum Frame to Floor

For a framework to stand on its own, it will need some help. Whether attaching to the floor or to the ceiling, mounting your framework will either need base plates, leveling feet or floor brackets. If you need your assembly to be mobile, there are casters available as well. Below, we have listed out some information on each frame to floor accessory for you.

Leveling Feet

As the name implies, leveling feet will allow the t-slot aluminum framework to sit level on the ground. From stud length to pad material and thread types, leveling feet come in an array of designs to help framework sit level.

Floor Brackets

In many settings, assemblies such as machine framing or barriers need to be securely anchored in its designated place. Floor brackets are made from materials like steel or anodized aluminum.

Base Plates

These adapters are for mounting a leveling foot onto a bar where there is no center bore to tap. Base plates will require the adjoining bar to be tapped in order to receive it.


Casters offer framework mobility. They are defined by their load rating range (5 levels) of light-duty to extra super duty. Casters come in different types such as:

We hope this information has helped you learn more about fasteners and other accessories for the aluminum t-slot extrusion framework. If you have further questions about any of the accessories mentioned, feel free to reach out at (800) 817-0617 and let us help you!



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Floating Review Template1
  • This was the first time I tried Parco-inc. for one of my t-slot projects. It was easy to find what I needed and order on the website. I got the parts quickly and the quality was great, so I will be buying here from now on!
  • I am a small business and needed the t slot in a hurry. They processed my order, cut to size and shipped in less then 36 hours and 2 days before Christmas. Wonderful customer service. Thank you
  • Great prices, great products, excellent customer service...but the packing job they did is what actually takes them from excellent to stellar, because that was so perfect it make me tear up a little. I'll definitely be ordering from Parco again, no question.
  • I use ALOT of these little anchor faster, every month. My regular vendor was out of stock, and so I found Parco and ordered from them. The fasteners arrived quickly, we're high quality, and they even worked with me on a bulk discounted price. 10/10 in all areas!!
  • Just awesome. Great customer service and response to questions, all cuts and pieces exactly like I ordered, extrusions seem like quality, fast shipping, and well packed to protect the items. I can't say enough about the quality and service. Will order again.