If you have ever worked with Unistrut, you may have wondered what size slots are available on the product. This is an important question to answer because it will dictate the type of hardware that can be used with the Unistrut channel. In this article, we will explore the different sizes of slots that are available on Unistrut and how they can be used in various applications.
Firstly, it is important to understand what Unistrut is. Unistrut is a channel framing system that is used in construction, electrical, and mechanical applications.
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It provides a robust framework for mounting electrical conduit, pipes, and other equipment. The Unistrut channel features a series of slots that enable hardware to be mounted at various points along its length.
The size of these slots varies depending on the type of Unistrut being used. Standard-duty strut typically has a 9/16″ x 1-1/8″ slot, whereas heavy-duty strut has a 7/8″ x 1-7/8″ slot. There are also several other sizes available, such as back-to-back strut which has two parallel channels with different slot sizes.
Standard-duty Unistrut is commonly used for light-duty applications such as electrical conduit and cable tray support. The smaller slot size allows for more precise positioning of hardware along the length of the channel.
Heavy-duty Unistrut, on the other hand, is used for larger installations such as HVAC ductwork and heavy equipment supports. The larger slot size allows for easier installation of larger hardware and provides greater flexibility in positioning.
It is also worth noting that different types of hardware require different slot sizes. For example, a 3/8″ bolt requires a minimum slot width of 9/16″, whereas a 5/8″ bolt requires a minimum slot width of 7/8″. This means that when selecting your Unistrut channel and hardware, it is important to ensure that the slot size is appropriate for the size of hardware being used.
To make it easier to understand the different slot sizes and their applications, here is a summary table:
| Unistrut Type | Slot Size | Applications |
| — | — | — |
| Standard-Duty | 9/16″ x 1-1/8″ | Electrical conduit, cable tray support |
| Heavy-Duty | 7/8″ x 1-7/8″ | HVAC ductwork, heavy equipment supports |
| Back-to-Back Strut | Varies (two parallel channels) | Large installations requiring two channels |
In conclusion, understanding the different slot sizes available on Unistrut is crucial for selecting the appropriate channel and hardware for your application. Whether you are working on a small electrical installation or a large HVAC system, Unistrut provides a versatile and robust framework that can be tailored to your needs. We hope that this article has provided you with a clear understanding of what size slots are available on Unistrut and how they can be used in various applications.
