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Manufacturer Resources
Product Specs
- Bolt Thread Rod Size:
- 8"-32
- Certifications:
- Not Applicable
- Product Category:
- Tall channel nuts
- Product Height:
- .425 in
- Product Length Depth:
- .721 in
- Product Weight:
- .01 lb
- Product Width:
- .67 in
- Department:
- Electrical
- Product Group:
- Fasteners
- Product Subgroup:
- Washers / Nuts / Bolts / Screws
- Product Type:
- Standard nut
- Product Finish:
- Electro-plated
- Product Details:
- Standard nut
- Product Material:
- Steel
B-LINE N7221ZN – Frequently Asked Questions
1) What thread size does the B-Line N7221ZN channel nut take?
The N7221ZN channel nut is tapped 8"-32 as listed by Eaton B-Line. Match your rod, bolt, or machine screw to that thread before ordering, since a channel nut cannot be re-tapped in the field.
2) Is this a spring nut or a plain channel nut?
Plain. The N7221ZN is catalogued by Eaton B-Line as a standard nut, meaning there is no spring to hold it in position while you thread the rod. You set it in the channel, turn it a quarter to seat the grooves on the channel lips, and hold it while you start the fastener. If you need a nut that stays put overhead without a second hand, specify a spring channel nut instead.
3) What are the dimensions of the N7221ZN tall channel nut?
It measures .721 in length/depth, .67 in width, and .425 in height, and weighs .01 lb. The .67 in width is the dimension that seats in the strut channel slot, and the .425 in height is why it is called a tall nut, it fills more of the channel cavity than a short nut.
4) Can I use this channel nut outdoors or in a wet area?
It is steel with an electro-plated zinc finish, which is a dry indoor or protected finish. For rooftop, exterior, or washdown runs, move to a hot-dip galvanized or stainless channel nut, the zinc plating will bloom and rust in standing moisture.
5) What is a tall channel nut used for compared with a standard height one?
A tall channel nut has more thread depth, so it carries more engaged threads on the rod or bolt. That matters on threaded rod hangers for conduit, cable tray, and pipe, where the load is pulling straight down on the threads. The N7221ZN is .425 in high. A shorter nut is fine for light trim work but gives you fewer threads to develop the connection.
6) Does the N7221ZN come with a bolt or screw?
No, the nut only. The N7221ZN is a bare standard channel nut, so order the threaded rod, hex bolt, or machine screw separately in 8"-32 to match.
How fast can I get the B-LINE N7221ZN 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 B-LINE N7221ZN come with a warranty?
Absolutely. The B-LINE N7221ZN 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 B-LINE N7221ZN?
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 B-LINE N7221ZN 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.