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Infinity Lock Miter on 3/4" Maple Ply

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Forum topic by JerryinCreek posted 01-05-2016 04:21 PM 507 views 1 time favorited 7 replies Add to Favorites Watch
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JerryinCreek

155 posts in 1306 days


01-05-2016 04:21 PM

I’m will be building a wall cabinet and planned on joining the corners using the Infinity Lock Miter router bit. I have used this successfully on a few hardwood cabinets but would like to know if anyone has tried this bit and joint on 3/4 ply. I would use an MDF backing board to avoid tear-out. Thanks for your input!

-- Jerry, Johnson Creek, WI "If it was meant to be different it would be."


7 replies so far

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pintodeluxe

4856 posts in 2278 days


#1 posted 01-05-2016 06:02 PM

I like locking miter bits on hardwood, but have never been brave enough to try it with plywood.
I’d say cut it in two or three passes, and test it on scraps first.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

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JerryinCreek

155 posts in 1306 days


#2 posted 01-05-2016 10:55 PM

OK, thanks. I sent Infinity an email to see if they have any suggestions.

-- Jerry, Johnson Creek, WI "If it was meant to be different it would be."

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Paul

721 posts in 1029 days


#3 posted 01-05-2016 11:28 PM

I’ve used them and consider it more hastle than its worth. Not only do you need to protect the backside from tear out you need to back the edge of the mitre joint itself. I did have success with some veneer I was doing it with but I’d never do it again, too much trial and error, wasted material, and time for my taste.

Paul

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JerryinCreek

155 posts in 1306 days


#4 posted 01-09-2016 05:00 PM

I think I found the answer to my own question. I contacted Infinity and they suggest the lapped miter joint router bits. These look like they will fill the bill nicely! I’ll let everyone know-

-- Jerry, Johnson Creek, WI "If it was meant to be different it would be."

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Fred Hargis

3942 posts in 1958 days


#5 posted 01-09-2016 05:06 PM

Those bits (lapped miter) look extremely useful. I have a set on my acquisition list.

-- Our village hasn't lost it's idiot, he was elected to congress.

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bearkatwood

1205 posts in 476 days


#6 posted 01-09-2016 05:42 PM

I used it on my floating stereo shelves and it worked great.

I used dados for the other joinery and the whole setup was very stable.

-- Brian Noel

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JerryinCreek

155 posts in 1306 days


#7 posted 01-09-2016 06:37 PM

Bearkatwood: Great! Planned on using them on the corner miters with dadoed shelves in the middle. Pretty much like your construction. Glad to hear they work well. Thanks!

-- Jerry, Johnson Creek, WI "If it was meant to be different it would be."

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