Infinity Twist Adjustable Slot Cutter - Router Forums
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post #1 of 22 (permalink) Old 05-27-2018, 11:34 AM Thread Starter
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Default Infinity Twist Adjustable Slot Cutter

I am considering the Infinity Precision Twist Slot Cutting Router Bit model 61-512. Does anyone have any experience with this adjustable slot cutter router bit?
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post #2 of 22 (permalink) Old 05-27-2018, 02:56 PM
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Very interesting bit. Being able to change the width of the slot by a simple adjustment is very interesting. One bit for up to 1/4 inch slot, another for up to half inch. Adjustable in incriments of 4/1000 of an inch means you can cut to the thickness of the panel, tongue or spline. Looks very interesting. The pair is $250. I think I'd have to do a lot more of this kind of work to justify that. I do like that it has four cutters.


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post #3 of 22 (permalink) Old 05-27-2018, 08:26 PM
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I have a stacked cutter set that came with 1/16, 1/8, 3/16, and 1/4. I’m trying to think if I ever needed something in between and I can’t think of that happening. The set also came with a bunch of shims which is handy if you are using two cutters to make a tongue or short tenon. I think I’d still go with a stackable set rather than one adjustable cutter. I think the set is more versatile.
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post #4 of 22 (permalink) Old 05-27-2018, 10:33 PM
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Quote:
Originally Posted by DesertRatTom View Post
Very interesting bit. Being able to change the width of the slot by a simple adjustment is very interesting. One bit for up to 1/4 inch slot, another for up to half inch. Adjustable in incriments of 4/1000 of an inch means you can cut to the thickness of the panel, tongue or spline. Looks very interesting. The pair is $250. I think I'd have to do a lot more of this kind of work to justify that. I do like that it has four cutters
Really interesting and could be very handy but my router didn't even cost that.
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post #5 of 22 (permalink) Old 05-28-2018, 06:54 AM Thread Starter
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My woodworking club make doll beds for disadvantaged kids and the design requires a stopped dado of 9/32" wide by 1/4" deep. Each bed requires two of these dados that are over 10" long. One quarter inch Baltic birch plywood fits in the dado and if the plywood has much warp to it, a 1/4" wide dado does not work very well. My present approach is to make a single pass with a 1/4"x1/4" slot cutter followed by a 9/32" diameter straight bit. Since we make several hundred of these doll beds, we need to operate in a production mode.
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post #6 of 22 (permalink) Old 05-28-2018, 07:24 AM
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The last time I made dadoes it was for a set of Oliver’s to go in the fable of an attic. I decided to just throw together a stack of dado blades and the cut the tongues of the Oliver’s to fit. That turned out better and faster than any other way I’ve tried and you could do the same.

Cut a slot with a standard 1/4” slot cutter and then set a table saw for 1/4” wife by that deep and size the tongues that go into the slots. I’m guessing that the ply is for the bottom of the bed so do it on the side that doesn’t show. Once the saw is set you can run a hundred through per hour at least.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #7 of 22 (permalink) Old 05-28-2018, 07:34 AM
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Quote:
for a set of Oliver’s to go in the fable of an attic.
?????

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
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post #8 of 22 (permalink) Old 05-28-2018, 08:50 PM
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?????
Set of louvers. For some reason spellcheck doesn’t know that word. For the gable in an attic. That part was typonese. If my text is off check the keyboard for the letters on either side of the one that seems out of place. Very small keyboard on iPhone and very large thumb or finger trying to tap it. Makes for a bad combination.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.

Last edited by Cherryville Chuck; 05-28-2018 at 08:56 PM.
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post #9 of 22 (permalink) Old 05-28-2018, 08:56 PM
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Set of louvers. For some reason spellcheck doesn’t know that word.
you are now the king of typonese....

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

Stick....
Forget the primal scream, just ROAR!!!
"SNORK Mountain Congressional Library and Taxidermy”
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post #10 of 22 (permalink) Old 05-29-2018, 01:13 AM
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The advantage is supposed to be quick set-up. Like anything, it’ll come down to how many projects you have that require cutting tongue & groove.

If you do a lot of outdoor projects these would be more handy.

I love to make pretty things for pretty little things
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