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Best way to drill for T-nuts
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brooklynclimber


Jun 6, 2013, 4:23 PM
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Best way to drill for T-nuts
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I'm going to be building a home wall soon, and will need to drill six 4x8 plywood sheets for t-nuts. I've done this before with a drill, but found that if I don't get the angle exactly right, it's very hard to put in the T-nuts, and I think this weakens the connection between the T-nut and the ply.

I was thinking of a drill guide like this:

http://www.homedepot.com/p/t/100349264?productId=100349264&storeId=10051&langId=-1&catalogId=10053&MERCH=REC%2d%5f%2dSearchPLPHorizontal1%2d2%2d%5f%2dNA%2d%5f%2d100349264%2d%5f%2dN#.UbEZuo5EAqY

or a plunge router. Maybe I could fashion my own drill guide from a piece of scrap wood I drilled into with a drill press.

What do you use?


skelldify


Jun 7, 2013, 6:42 AM
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Re: [brooklynclimber] Best way to drill for T-nuts [In reply to]
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Just make sure you drill straight in. I've done hundreds of these and never had any problem.

Maybe I've just had a lot of practice?


climb4free


Jun 7, 2013, 7:17 AM
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Re: [skelldify] Best way to drill for T-nuts [In reply to]
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skelldify wrote:
Just make sure you drill straight in. I've done hundreds of these and never had any problem.

Maybe I've just had a lot of practice?

Agreed. Sharp bit and not being in a super hurry. C-clamps help if your are drilling through multiple sheets at a time.


slartibartfast


Jun 7, 2013, 4:47 PM
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Re: [climb4free] Best way to drill for T-nuts [In reply to]
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Forget the drill guide and do what climb4free said: spend that extra money on a couple extra drill bits and go a bit slower.

What size bit are you using? The T nut doesn't need to fit tightly in the hole; that's not where its strength comes from. Use a bit that gives you some wiggle room (7/16, if I remember right) and the T-nuts will go in straight every time. Hammer them in carefully, or, if you want to be really professional, pull them though by theading a bolt through them.

Have fun on your wall.


csiebsen


Jun 12, 2013, 2:07 PM
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Re: [slartibartfast] Best way to drill for T-nuts [In reply to]
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I found it helpful to drill through a template, just a board with a predrilled hole, it prevents damage to the face of the plywood.

I never had issues with the angle either.


brooklynclimber


Jul 28, 2013, 1:18 PM
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Re: [csiebsen] Best way to drill for T-nuts [In reply to]
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Thanks for the advice, everyone. Followed advice and just used a drill with template. I have a few T nuts that popped out, but not too many. Pix in new thread.


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