Workbench Dog Holes in a Solid Core Door Bench Top?

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Forum topic by Francis Coppage posted 12-19-2012 04:22 PM 2740 views 0 times favorited 3 replies Add to Favorites Watch
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Francis Coppage

13 posts in 3808 days

12-19-2012 04:22 PM

Topic tags/keywords: workbench dogs solid core door inserts question

My homebrew workbench uses two 32×80 Solid Core Doors for its top.

I think I know better than to just drill my 3/4 inch hole into the “door”. I’ve found
some 3/4” brass sleeve bearing (with or without shoulder) two (2) inches long.

Does anyone have any comment on this idea (pro or con) or does anyone have
a better idea????

Thanks up front!!

-- "Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." ... Albert Einstein

3 replies so far

View Lee Barker's profile

Lee Barker

2170 posts in 2877 days

#1 posted 12-19-2012 04:42 PM

I’m not a traditional workbench guy but I have opened up solid core doors and found honeycomb chipboard—not the kind of stuff that would offer a lot of resistance to lateral stress.

Good for you for not just drilling. I think inserts are the way to go. Anything that would spread out the pressure.

The good news is, it’s a workbench, not a coffee table. You can try something and if it doesn’t work, fix the spot and try again!



-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

View crank49's profile


4032 posts in 2997 days

#2 posted 12-19-2012 05:43 PM

Hollow core doors have a cardboard honeycomb filler/spacer, but I thought solid core doors had a solid particle board core. At least, the few that I have worked with did.

My bench top is four layers of 3/4” x 7 ply plywood and my dog holes don’t grip holdfasts very well. In my case part of the problem was the crappy cast holdfasts themselves; forged steel works much better.

But, before I went to better holdfasts I tried different ways to make the holes less porous. What seemed to work best was Bondo, auto body filler.

View Kreegan's profile


1452 posts in 2173 days

#3 posted 12-19-2012 08:14 PM

You might try using PVC pipe with a 3/4” ID as a dog hole insert.

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