Lock Miter Bits: Worth it or not? - Woodworking Talk - Woodworkers Forum
 
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post #1 of 13 Old 06-19-2011, 09:59 PM Thread Starter
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Lock Miter Bits: Worth it or not?

Title says it all, are they worth the money?
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post #2 of 13 Old 06-19-2011, 10:07 PM
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What style/brand?

"IF IT'S TOO TOUGH FOR THEM, IT'S JUST RIGHT FOR ME"
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post #3 of 13 Old 06-19-2011, 10:54 PM Thread Starter
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What style/brand?
Dunno yet. I tend to buy cheaper things to start to see if i like them. Was probably going to try MLCS.
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post #4 of 13 Old 06-19-2011, 10:59 PM
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I use CMT 3/4 and 5/4 with 1/2" arbor, a little pricey but well worth it.

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post #5 of 13 Old 06-19-2011, 11:29 PM
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Originally Posted by hedorah99 View Post
Title says it all, are they worth the money?

My experience is that they make a beautiful miter and are a royal PIA to get set up right. They are also very picky about stock thickness and more than a little sensitive to technique. Other than that, they're great

John

If I strive for perfection, I can generally achieve good'nuff, If I strive for good'nuff, I generally achieve firewood
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post #6 of 13 Old 06-19-2011, 11:44 PM
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Quote:
Originally Posted by hedorah99 View Post
Dunno yet. I tend to buy cheaper things to start to see if i like them. Was probably going to try MLCS.
Check this one out. Just ordered me one today.

Just realized this might not be what you were referring to. sorry if I am incorrect.

Last edited by abetrman; 06-19-2011 at 11:46 PM. Reason: clarification
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post #7 of 13 Old 06-20-2011, 01:06 AM
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Originally Posted by abetrman View Post
Check this one out. Just ordered me one today.

Just realized this might not be what you were referring to. sorry if I am incorrect.
The one you showed in your link is a drawer lock bit. Good bit for drawers if not using a half-blind dovetail. The bit that is being refered to is a 45 Lock Miter Bit. It's a different type of joint for a corner.

http://www.sommerfeldtools.com/45-Lo...uctinfo/01006/

James
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post #8 of 13 Old 06-20-2011, 06:28 PM
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Sitting here at the computer and off the top of my head...

There is a book, "In The Craftsman Style" and on page 130 or so there are instructions for setting up a locking miter bit. Before you buy any bit I would suggest that you read that section on setting up the bit. These bits are very difficult to set up.

These bits require very precise machining of your materials. If the thickness of the stock varies by anything more than 1/64" you're in for a a big headache set up.

BTW - I have a couple of Amana bits that I could sell for cheap.

Use the right tool for the job.

Rich (Tilting right)
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post #9 of 13 Old 06-29-2011, 12:10 PM
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Got to agree with those that they make a beautiful joint but they are a PITA to set up. And I personally would not recommend them to anyone who doesn't have a shaper. I found that I had to make several passes on each piece being routed to not grab too much wood on my router table. That adds up to a lot of time when I am making Quadlinear (using QSWO so fleck shows on all sides of a table leg) legs and I make a lot of them.

And... if you blow one pass the outer edges can splinter on the final cuts any you go back to the drawing board. New stock and rebuild the piece. It's just easier for me to stay away from using the lock miter cutters. If you want to buy mine cheap.. PM me.. But... is the bottom line IMO..

Woodworker's Guild of Georgia...
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post #10 of 13 Old 06-30-2011, 07:45 PM
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I definitely agree, those bits are a PITA to setup and to use. Ive got several, I think about 5 or so that came in a box set from Freud that sold for about $300. My wife purchased them at a woodworking show thinking that Id use them. Lesson one: dont take her to a woodworking tool show. Well, if anyone wants them and come get them theyre yours.
Miles
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post #11 of 13 Old 06-30-2011, 08:00 PM
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Didn't like them... Hmm I always wanted to try them out...
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post #12 of 13 Old 07-01-2011, 12:33 AM
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They work great, IF you have stock that is planed to an exact thickness and you have set-up blocks. I was super frustrated with mine until I bought the set-up block from Eagle America, worked well after that. But, it's still one of the more time consuming bits to set up, and you will need to make some test cuts to get it dialed.
Having a router lift, or a base that is adjustable from above the table (my Bosch's base is above table adjustable) comes in VERY handy, as you will likely need to make a few very small adjustments to get it just right.

I have one for 3/4' stock, and really, really wish I had more, but being poor, it's not going to happen soon. They do make for really strong joints, though you will need to be patient and take the time to get it right.
I've resorted to splining most times now, as I made a nice splining sled and it will work with any thickness stock, not just one size.

Wayne
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post #13 of 13 Old 12-28-2011, 11:05 PM
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Amana bits

RRICH, do you still have those Amana bits you were looking to get rid of?



Quote:
Originally Posted by rrich View Post
Sitting here at the computer and off the top of my head...

There is a book, "In The Craftsman Style" and on page 130 or so there are instructions for setting up a locking miter bit. Before you buy any bit I would suggest that you read that section on setting up the bit. These bits are very difficult to set up.

These bits require very precise machining of your materials. If the thickness of the stock varies by anything more than 1/64" you're in for a a big headache set up.

BTW - I have a couple of Amana bits that I could sell for cheap.
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