Any recommendations on the type of screws I should use to mount a
utility cabinet to steel studs? I'm looking at purchasing a cabinet
with dimensions 54"Wx24"Hx12"D for this project. I plan on mounting
the cabinet over my washer and dryer approximately 5' above the garage
floor. It will be storage for my laundry detergents, cleaners,
garden variety pesticides...etc. The screws will definitely have to
be durable enough to support the weight of the cabinet and said
If you have any recommendations, I'd love to hear them...
Thanks in advance!
I would use course thread self tapping screws 3/4 inches longer than what it
takes to reach through the cabinet backs or hanging rail, whichever mounting
system you are using. The reason for not using longer screws is you want to
screw through the surface of the metal stud, not the electrical, phone,
intercom wiring or anything else that may be inside the cavity of the wall.
Put a screw near the top and another near the bottom into each stud and just
tighten until snug. You don't want to strip out the wall of the stud
If the studs are exposed where you will mount the cabinets, just use 1/4 inch
stove bolts and nuts.
Most steel studs I've seen are pretty flexible to rotational forces. (ie,
twisting center relative to top and bottom.) If the garage wall is bare
studs, and probably even if it is drywalled, I'd add blocking and/or a sheet
of plywood behind the cabinet, well bolted/screwed to the studs, and screw
the cabinet to that. Idea being to create box sections that don't twist when
you (or next owner) hang from cabinet door, or put something very heavy in
I'm sure the stud makers have a web site somewhere for appropriate
In my opinion, you will have no trouble hanging the cabinet to the studs,
assuming the cabinet has a back and is therefore stiff and able to spread
the load across the whole area. But you need more screws than you would
need if you had wood studs. In particular, I would put three screws per
stud (say, top, middle and bottom). If the cabinet does not have much in
the way of screw support built in (there should be a strip across the inside
top back, but maybe that is all), in addition put a ledger under the
cabinet, wide enough to take two screws per stud. And DON'T use coarse
thread drywall screws, use fine thread, intended for steel studs. The
coarse ones are for wood. And don't penetrate the stud more than the 3/4"
recommended by the other poster.
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