Atkore Allied Tube & Conduit S...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$74.31
$27.00
Atkore Allied Tube & Conduit SC350-ICRKON 3-1/2" EMT Set Screw Connector With Insulated Throat

Atkore Allied Tube & Conduit SC350-ICRKON 3-1/2" EMT Set Screw Connector With Insulated Throat

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Model: SC350-ICRKON

In Stock (leaves warehouse same day if ordered before 3pm ET)

$74.31
$27.00
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3-1/2" EMT Set Screw Connector With Insulated Throat

  • Features

    • Heavy steel walls
    • Pre-set and staked tri-head screws 1/2"-2"
    • Concrete tight when taped
    • Hex head screws 2 1/2" thru 4"

Manufacturer Resources

Product Specs

Department:
Electrical

Allied Tube & Conduit SC350-ICRKON – Frequently Asked Questions

1) Will the Allied Tube & Conduit SC350-ICRKON connector work on 3-1/2 inch EMT?
That's exactly what it's built for. The SC350-ICRKON is a set screw connector sized for 3-1/2 inch EMT (thin-wall steel tubing), so the conduit slips into the body and the screws clamp it. It will not work on rigid or IMC, which is threaded, and it won't take any trade size other than 3-1/2 inch.
2) Do I still need a plastic bushing on the box side with this EMT connector?
No. The insulated throat is built into the SC350-ICRKON, so the conductor bearing surface is already protected and there's no separate bushing to buy or lose. That matters on a 3-1/2 inch run where you're pulling large conductors and the insulation is what stops the jacket from being cut on the edge of the throat.
3) Can this set screw connector be used in a concrete pour?
Only if it's taped. The Allied SC350-ICRKON set screw connector is described as concrete tight when taped, so for a slab or deck pour you wrap the joint to keep wet concrete out. Untaped, treat it as a dry indoor connector, not a poured-in-place fitting.
4) Does the SC350-ICRKON use tri-head or hex head set screws?
Hex head screws. Allied's set screw connector line uses pre-set and staked tri-head screws on the 1/2 inch through 2 inch sizes and hex head screws on 2-1/2 inch through 4 inch, and at 3-1/2 inch this connector falls in the hex head group. Practical upshot: you tighten it with a standard hex driver or nut driver, not a screwdriver.
5) Is a set screw connector strong enough for large 3-1/2 inch conduit, or should I use a compression fitting?
The SC350-ICRKON is built with heavy steel walls, which is what carries the load on a large trade size where the fitting takes the weight of the conduit run at the box. Set screw is the normal choice for dry interior work and is quicker to install. Where the location is wet or damp and you need a raintight joint, a compression (gland type) EMT connector is the fitting to use instead, since set screw is only concrete tight when taped and is not a raintight fitting.
6) What part number do I order for a 3-1/2 inch insulated throat EMT set screw connector from Allied?
Order Atkore Allied Tube & Conduit SC350-ICRKON. The SC prefix is the set screw connector series, 350 is the 3-1/2 inch trade size, and the ICRKON suffix is the insulated throat version. Quote that full string so you don't get shipped the plain (non insulated) throat variant.
How fast can I get the Allied Tube & Conduit SC350-ICRKON delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Allied Tube & Conduit SC350-ICRKON come with a warranty?
Absolutely. The Allied Tube & Conduit SC350-ICRKON is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Allied Tube & Conduit SC350-ICRKON?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Allied Tube & Conduit SC350-ICRKON from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
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