Joining two cabinets

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Forum topic by Jose posted 10-31-2016 07:10 PM 727 views 0 times favorited 2 replies Add to Favorites Watch
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105 posts in 2903 days

10-31-2016 07:10 PM

I’m planning on joining these two cabinets together to make one unit, put casters on them to make it mobile, and build a new benchtop with plywood and hardboard. I can’t make up my mind with what to use to join them together if either wood screws or carriage bolts. The cabinets being made of particle board I don’t know how well the screws are going to hold and not get ripped apart when moving the cabinets. I’m thinking that once the top is tightly screwed onto the cabinets it should hold tight and the movement shouldn’t affect the joint or rip the screws from the board, right?

-- Jose

2 replies so far

View jdmaher's profile


472 posts in 3830 days

#1 posted 10-31-2016 08:01 PM

Commonly, one would use connector bolts and cap nuts to fasten the two cabinets to one another. Especially with particle board sides, I think this is a good idea.

Rockler, Woodcraft and Amazon should all have reasonably inexpensive choices.

-- Jim Maher, Illinois

View sawdustdad's profile


379 posts in 2135 days

#2 posted 10-31-2016 08:07 PM

I would add a sheet of plywood across the entire backs of both cabinets as well as join them together at the sides/front and across the bottom. A couple of battens running underneath from end to end, to which you could then mount the casters were further stabilize the assembly. With a lot of stuff in the cabinets, moving it around will put substantial stress on any screws in particle board—hence the reinforcement.

-- Murphy's Carpentry Corollary #3: Half of all boards cut to a specific length will be too short.

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