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Pinned M&T for Lodgepole Furniture

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Forum topic by MuseumQuality posted 04-10-2012 10:33 PM 856 views 0 times favorited 6 replies Add to Favorites Watch
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MuseumQuality

15 posts in 1718 days


04-10-2012 10:33 PM

Hello everyone, I just had a hypothetical question I wanted to throw out there. I am planning on making a few lodgepole pine projects this summer and I want to start with a bed first. I move around a fair amount, so I want to make my bed easy to break down, but I would really like to avoid using bolts, screws, etc on this project. I was thinking about using pins in the M&T for the side rails that attach to the headboard and footboard. However I haven’t seen anyone else do this with lodgepole furniture and I was wondering if it was for a reason. The tenons will be 2” in diameter and I was thinking about using a 1/2” dowel for my pin. I guess my concerns are that the pin will not hold everything together tightly enough, or that lodgepole moves differently. I appreciate any help or thoughts!


6 replies so far

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tenontim

2131 posts in 3211 days


#1 posted 04-11-2012 03:22 AM

Usually, removable pins, used for m&t joinery, have a slight taper to them, so that everything is tightened up when they are driven in, but are still able to be removed. That’s normal joinery, and I’m assuming it would work with round tenons and mortises.

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Loren

8314 posts in 3114 days


#2 posted 04-11-2012 06:01 AM

Look into drawbore joinery methods. It’s a way to get joints
in larger mortise and tenon work pulled tight. It’s an architectural
technique mostly.

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MuseumQuality

15 posts in 1718 days


#3 posted 04-11-2012 03:39 PM

Thanks for the info on drawbore pins. I had thought about using them, but I was under the impression that to remove them you have to drill them out and then replace the pins. While this wouldn’t be the end of the world, it would be somewhat annoying. Has anyone had any experience with this?

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a1Jim

115206 posts in 3044 days


#4 posted 04-11-2012 04:05 PM

It seems reasonable that pins would work. I know you said no screws or bolts but I think I would use a 3/8” bolt on the inside of the leg where it won’t be seen. If you wanted you could put your M&T joint together predrill take it apart and drill the tenon out enough so you can epoxy the nut in side the tenon. If you do that I would put it back together befor the epoxy drys and then after putting some wax on the bolt screw it into the bolt to assure alignment Let dry and take apart so you can do the rest. I’ve done this and have made a wood cap over the bolt head.

-- http://artisticwoodstudio.com Custom furniture

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MuseumQuality

15 posts in 1718 days


#5 posted 04-11-2012 08:30 PM

Jim, that sounds like a great idea, and one I had not though of. I just watched a video (Marc Spagnuolo’s) on tapping wood and I might try that. I think what I will end up trying is just a plain Jane pinned mortise and tenon if for no other reason than I haven’t seen anyone else do it. If that doesn’t meet my standards I could try and tap the hole to accept a bolt and see how that works. I figure the worst case scenario is that I lose about $15 in materials (the cost of the permits to cut all the poles I will need) and a few hours. I will definitely post the finished project (or failure) on here and report my findings. Thanks for everyone’s help!

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a1Jim

115206 posts in 3044 days


#6 posted 04-11-2012 08:35 PM

Good luck trying that I’d be a little concerned taping pine but you could just try a scrap of wood first.

-- http://artisticwoodstudio.com Custom furniture

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