B-Line Eaton series box suppor...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$1,091.98
B-Line Eaton series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.346lbs, Metal stud size: 3.63", 2.5", Box support brackets, D

B-Line Eaton series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.346lbs, Metal stud size: 3.63", 2.5", Box support brackets, D

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Model: BB4-23D
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,091.98
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Eaton B-Line series box support fasteners, Wall studs, 1" Height, 1" Length, 1" Width, 0.346lbs, Metal stud size: 3.63", 2.5", Box support brackets, Double-set, Pre-galvanized

Manufacturer Resources

Product Specs

Certifications:
UL/CUL listed
Product Category:
Wall studs
Product Height:
1 in
Product Length Depth:
1 in
Product Weight:
.346 lb
Product Width:
1 in
Department:
Electrical
Product Group:
Enclosures & Boxes
Product Subgroup:
Electrical Boxes
Product Type:
Box support brackets
Product Finish:
Pre-galvanized
Product Size:
Metal stud size: 3.63 inch, 2.5 inch
Product Details:
Box support brackets
Product Style:
Double-set

B-LINE BB4-23D – Frequently Asked Questions

1) What metal stud sizes does the B-Line BB4-23D box support bracket fit?
The BB4-23D is sized for 2.5 inch and 3.63 inch metal studs, which covers the two most common partition stud widths used in commercial framing. If your framing is a different stud width, this bracket is not the one to order.
2) Is the B-Line BB4-23D box support bracket UL listed for electrical rough-in?
Yes, the BB4-23D carries a UL/CUL listing, so it will pass inspection as a listed box support on both US and Canadian jobs.
3) What does the "double-set" style mean on the B-Line BB4 box support bracket?
Double-set means the bracket is built to set a pair of boxes rather than a single box, so you can gang two device boxes on the same support between studs instead of running two separate brackets.
4) What part number do I order for the B-Line double-set box support bracket for metal studs?
Order Eaton B-Line part number BB4-23D. That is the double-set, pre-galvanized box support bracket for 2.5 inch and 3.63 inch metal studs.
5) Can I use the BB4-23D bracket on wood studs?
No. The BB4-23D is a metal stud bracket, sized specifically to 2.5 inch and 3.63 inch steel studs. For wood framing, use a bar hanger or nail-on box designed for wood stud mounting.
6) Will a pre-galvanized box support bracket hold up in the wall cavity?
The BB4-23D comes pre-galvanized, which is the standard corrosion finish for concealed rough-in work inside dry interior partitions. It is not a hot-dip or stainless finish, so for exterior, wet, or corrosive locations specify a bracket rated for that environment instead.
How fast can I get the B-LINE BB4-23D 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 BB4-23D come with a warranty?
Absolutely. The B-LINE BB4-23D 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 BB4-23D?
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 BB4-23D 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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