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Discussion Starter · #1 ·
Hello,
I am Justo, 63; from Madrid, Spain; amateur but serious woodworker since long time ago. And I have a question.
I would like a solution to the tendency that spiral cutting bits have sliping out of the collet, getting into the wood an ruining the piece.
Any advise?
Many thanks
Justo
 

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Hi Justo

It can be many things, but I would start with a good clean job on the nut and the inside of the arbor with some paint thinner and then a shot of WD40 oil or some 3 and 1 oil, you may also want to check the bit,get the mike out and see if the bit is under size most are .245 to .248 and some of the cheap ones will be .235 to .256 ,if you find that true get a new bit.

1/2" should be .498 to .500 cheap ones are .492 to .505 . :)

Bj :)


Justo said:
Hello,
I am Justo, 63; from Madrid, Spain; amateur but serious woodworker since long time ago. And I have a question.
I would like a solution to the tendency that spiral cutting bits have sliping out of the collet, getting into the wood an ruining the piece.
Any advise?
Many thanks
Justo
 

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Registered
Joined
·
10,714 Posts
Welcome to the forums Justo. Glad to have you join us. We are a diverse group and have members of all walks of life and many countries. Who are here to help anyway they can.
 

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Hi Justo. I am using upcut bits and have no problem. I agree with Bob, but after you clean out the collet try inserting the bit 1/16th of an inch from the bottom then run the router and watch the bit to see if it rises out of the collet. If it does, turn it off right away!

Gary
 
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