I'm in the process of making a scrap lumber cart out of 3/4" plywood the overall dimensions is 48"Lx 24"W x24"H, I am thinking of using pocket hole screws to join the back to the sides, do you think this method is strong enough… Also there are bin devises also 3/4" but MDF .. I was going to use the same method here as well
I've used pocket joinery before but this is by far the biggest project using this system…
I can't use rabbit and dado joinery as my router is out of commission and I don't want screws showing outside on the face of the cart…
I used pocket hole joinery in this plywood rack: http://lumberjocks.com/projects/100618. It's made from osb plywood and it's full as you can see. I wouldn't use mdf in my opinion.
I used pocket hole joinery in this plywood rack: http://lumberjocks.com/projects/100618. It s made from osb plywood and it s full as you can see. I wouldn t use mdf in my opinion.
It is going to be a lot stronger if you just run the screws through the back. Pocket hole screws work well if you don't want screw heads on the outside. In this application, it seems unnecessary.
Your router is on the fritz… what about your table saw? I did my sanding cart all with tongue/groove & fully housed dado's with my Freud Dado set. 100% glue & clamped, no screws. http://lumberjocks.com/projects/171426
Ed, I would concur with two of the above comments:
Roger is right on with the MDF, it tends to split when screws are driven into the edges.
MNclone is correct on the strength and simplicity if the screws are driven straight through.
I f you don't wish to see the screws on the finished project, try countersinking the heads and plug the screw heads. The plugs would have to be cut from solid wood (not Ply) so they would probably be noticeable unless you paint the project.
When you get ahead ($$$$), a dadoed blade for your TS is a nice addition for joining casework.
I am thinking of using pocket hole screws to join the back to the sides, do you think this method is strong enough… Also there are bin devises also 3/4" but MDF .. I was going to use the same method here as well
I ve used pocket joinery before but this is by far the biggest project using this system.
That's your best joint. Use your table saw. It's faster anyway.
Don't use flat head screws they tend split the plywood. Use plenty of glue.
Remember this is a construction project strength is the first consideration.
Don't let a visible screw head bother you.
Good luck.
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