I need advise on table legs

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Forum topic by Jonbelles posted 12-11-2012 09:21 AM 1168 views 0 times favorited 4 replies Add to Favorites Watch
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12-11-2012 09:21 AM

Topic tags/keywords: table legs attach how to pine steel

Hi, This is the first time I’ve posted anything. I need advise on mounting legs to a table I’ve made. This is my first real woodworking project and it’s a piece I am selling to a couple. I will post some pictures as soon as I figure that one out! The legs are made of 3×3 angle iron and have more angle iron welded into the corners. The top is 2.75” thick pine reclaimed from floor joists (I assume pine but I’m not really sure). Table dimensions are 58”x32”x36”H My question is this what is the BEST way to attach the legs to top? My plan was to use expansion inserts designed for installing lags in concrete, three or five on each leg. Has anyone ever used these? Also the bottom of the legs need something to protect the wooden floor it will end up sitting on. The dimensions of the bottom of the legs will be 2”x2” x1/4” in an L shape. What would be good to use and how can I attach it?

Thanks so much for any help!!

4 replies so far

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#1 posted 12-11-2012 03:01 PM

Welcome to LJ’s. You have several options to attatch the top. You could drill through the metal frame. Make the holes slightly bigger than the screw for wood movement. I wouldn’t use the lag inserts. The wood will hold the screw. You could weld metal across the inside corners and screw from there. We have a metal table with a granite top. Felt pads protect the wood floor. Hope this helps. Good luck.

-- Dan, Naperville IL, I.G.N.

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3081 posts in 2429 days

#2 posted 12-11-2012 03:03 PM

I just saw the leg dimentions. Just a felt pad will not work. I would weld a square pad into the bottom the the “L” then put the felt on.

-- Dan, Naperville IL, I.G.N.

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#3 posted 12-14-2012 04:43 AM

i am interested in seeing pictures of this. i have been wanting to do something similar for a while now that ive gotten better at welding.

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2127 posts in 1442 days

#4 posted 12-17-2012 05:30 AM

Be really careful driving the lags in. It’s very easy to strip the threads in the wood, especially a softwood like yellow pine or Doug fir. You can also use hanger bolts, which make it easier to remove the leg if you need to, but they have the same problem as lag screws. I agree the expansion inserts aren’t needed (unless you’ve stripped out the threads already!). If there were a way to incorporate it into your design, the legs would be much less wobbly if you could have an apron to support them. Could be steel or wood. You have a lot of leverage force there with those legs cantilevered from a small contact pad. I’m picturing the German shepherd slamming into it while chasing the cat. Or maybe the cat is chasing the dog.
A further thought about screws: a substantial round head all-thread wood screw (up to 1/4” diameter) would be my preference over the lags. The threads on a lag screw are so thick and coarse they don’t seem to grip so well.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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