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Manufacturer Resources
Product Specs
- Certifications:
- UL/CUL listed
- Product Category:
- Wall studs
- Product Height:
- 1 in
- Product Length Depth:
- 1 in
- Product Weight:
- .06 lb
- Product Width:
- 1 in
- Department:
- Electrical
- Product Group:
- Enclosures & Boxes
- Product Subgroup:
- Electrical Boxes
- Product Type:
- Box support
- Product Size:
- Length A: 1.5 inch
- Product Details:
- Box support
- Product Style:
- Box support
- Product Length:
- 1 in
- Application:
- Attaches electrical boxes to finished drywall
B-LINE BB33 – Frequently Asked Questions
1) What is the B-Line BB33 box support used for?
The BB33 is a box support fastener that attaches an electrical box to finished drywall. It is the part you reach for when the box has to land between studs or when you are adding a box to a wall that is already closed up, rather than nailing to framing before rock goes on.
2) Can I use the BB33 to mount a box to a metal or wood stud instead of drywall?
No. The BB33 is a drywall-supported fastener, made to hold the box to finished drywall. If you are framing and need the box fixed to a stud, use a box bracket or bar hanger made to screw or nail to the stud face instead.
3) Do I need one BB33 per box or a pair?
Box supports of this type are used in pairs, one on each side of the box, to pull it tight against the back of the drywall. Plan the count per box, not per opening, and order in quantity if you are trimming out a whole floor. The BB33 is sold as a single support, model BB33.
4) Is the B-Line BB33 box support galvanized for corrosion resistance?
It is pre-galvanized steel, so it has a mill zinc coating suited to dry interior wall cavities. That is the standard finish for concealed box support inside a finished wall, not an exterior or wet-location coating.
How fast can I get the B-LINE BB33 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 BB33 come with a warranty?
Absolutely. The B-LINE BB33 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 BB33?
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 BB33 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.