B-Line Eaton series beam clamp...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$12,230.91
B-Line Eaton series beam clamps, Steel, Designed to attach hanger rod to beam flang, Beam clamp, 5/16"-18 thread/rod size, 11, 3/8" screw size, Electr

B-Line Eaton series beam clamps, Steel, Designed to attach hanger rod to beam flang, Beam clamp, 5/16"-18 thread/rod size, 11, 3/8" screw size, Electr

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Model: B304ZN
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$12,230.91
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Eaton B-Line series beam clamps, Steel, Designed to attach hanger rod to beam flang, Beam clamp, 5/16"-18 thread/rod size, 11, 3/8" screw size, Electro-plated zinc

Manufacturer Resources

Product Specs

Certifications:
cULus Listed
Product Height:
2.3125 in
Product Length Depth:
2.5 in
Product Weight:
.72 lb
Product Width:
.5 in
Set Screw Size:
3/8"
Special Features:
Designed to attach hanger rod to beam flang
Thread Rod Size:
5/16"-18
Department:
Electrical
Product Group:
Clamps & Supports
Product Subgroup:
Clamps
Product Type:
Beam clamp
Product Details:
Beam clamp
Product Material:
Steel

B-LINE B304ZN – Frequently Asked Questions

1) Is the B-Line B304ZN beam clamp UL listed for electrical support?
It is cULus Listed, which covers it for use in the US and Canada. That is what an inspector on a commercial or institutional job looks for when conduit, cable tray, or fixture hanger rod is being supported off structural steel.
2) What size wrench or driver do I need to install a B-Line B304ZN beam clamp?
The clamp tightens with a 3/8 inch set screw against the beam flange, so bring a driver or wrench for that screw head plus whatever you are using on the 5/16"-18 rod. No drilling or welding into the steel is needed, the clamp grips the flange mechanically.
3) Is a zinc plated steel beam clamp OK outdoors or in a wet area?
The B304ZN is steel with an electro-plated zinc finish. That is a dry indoor finish, fine for mechanical rooms, ceilings, and conditioned interiors. For exterior, parking structures, pool rooms, or washdown areas, step up to a hot dip galvanized or stainless beam clamp instead.
4) Do I need a beam clamp or a threaded rod anchor for hanging conduit off structural steel?
If you are hanging from exposed structural steel, a beam clamp like the B304ZN is the usual answer, it grips the beam flange and gives you a 5/16"-18 tapped hole for the rod with no drilling into the structure. Drop-in or wedge anchors are for concrete decks. On bar joists you typically use a joist or angle clamp rather than a flange clamp.
5) What is the part number to reorder the zinc B-Line 5/16 beam clamp?
Order Eaton B-Line part B304ZN. The ZN suffix is the electro-plated zinc finish, which matters if you are matching what is already hung on the job.
How fast can I get the B-LINE B304ZN 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 B304ZN come with a warranty?
Absolutely. The B-LINE B304ZN 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 B304ZN?
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 B304ZN 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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