Simple Caster Qustion

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Forum topic by April Wilkerson posted 02-22-2014 05:26 PM 1231 views 0 times favorited 5 replies Add to Favorites Watch
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April Wilkerson

117 posts in 1782 days

02-22-2014 05:26 PM

Topic tags/keywords: question

Hi…newbie here and I have a question on casters I can’t figure out:

I see photos of projects on here that have casters and sometimes instead of attaching the caster directly to the bottom of the project, the builder first attaches a small square piece of wood then screws the caster on that piece.

My question is why? Is it to spread out the load better? To give you more material to put in a longer screw for strength? Or since the caster is constantly swiveling around, does it make it more durable over time? These have been my guesses, but I hate guesses. ; )

I’m curious but also want to make sure I’m building things correctly. Thanks for the help!

-- Wilkerson

5 replies so far

View JAAune's profile


1853 posts in 2521 days

#1 posted 02-22-2014 05:48 PM

One good reason is to alter the height. Oftentimes people want their projects to stand at a specific height. The easiest way to achieve this is to build everything on the low side then add a shim between the caster and the project to get the perfect height.

-- See my work at and

View bondogaposis's profile


5094 posts in 2555 days

#2 posted 02-22-2014 05:53 PM

I just did that very thing on a project that I’m building now. The reason is because, I wanted to use 1 1/4” lag screws and the bottom of the case was 3/4”, so I needed the extra thickness.

-- Bondo Gaposis

View tyvekboy's profile


1824 posts in 3217 days

#3 posted 02-23-2014 12:01 AM

Usually it depends on the type of caster … plate or stem mount. When Iʻve use stem mount I just drilled a hole through 3/4 inch plywood. I second using another piece of wood for height adjustment too. Usually if 3/4 inch plywood is used as the base, it should be strong enough. If you look at my universal power tool mobile base posting, my casters are attached to just 3/4 inch plywood.

-- Tyvekboy -- Marietta, GA ………….. one can never be too organized

View cutworm's profile


1075 posts in 2997 days

#4 posted 02-23-2014 02:40 AM

I saw a video on WWGOA where they were building a cabinet and they said it improves load distribution.

-- Steve - "Never Give Up"

View April Wilkerson's profile

April Wilkerson

117 posts in 1782 days

#5 posted 02-23-2014 03:19 AM

Ok great, thanks for the responses.

I’m building with 3/4” right now, but maybe I’ll make small plates for the casters on this build to see if I can tell a difference after some time.

-- Wilkerson

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