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#4805200 - 07/04/18 04:34 PM 1/4" router bits for metal
ET16 Offline


Registered: 10/28/08
Posts: 1285
Loc: MD
I'm going to be cutting some thin copper and aluminum on a cnc machine. Can someone recommend some bits? Most of what I find is for wood.

Thanks.

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#4805202 - 07/04/18 04:40 PM Re: 1/4" router bits for metal [Re: ET16]
simple_gifts Offline


Registered: 07/26/04
Posts: 11992
Loc: Middlesex County CT
Define 'thin'; what is width/depth of cut?

You need an end mill; 2 flute preferred.


Edited by simple_gifts (07/04/18 04:40 PM)
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#4805233 - 07/04/18 05:52 PM Re: 1/4" router bits for metal [Re: ET16]
ET16 Offline


Registered: 10/28/08
Posts: 1285
Loc: MD
It's like 22 gauge, so maybe 1/8" ?

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#4805296 - 07/04/18 07:57 PM Re: 1/4" router bits for metal [Re: ET16]
expat Offline


Registered: 05/12/09
Posts: 5399
Loc: Canada
Carbide tipped bits should work OK, I have used cheap ones with Aluminium and had no problems.

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#4805466 - 07/05/18 06:59 AM Re: 1/4" router bits for metal [Re: ET16]
03cvpi Offline


Registered: 03/04/07
Posts: 199
Loc: Minneapolis
We use solid carbide single flute upcut bits made by vortex tool company in schofield, WI. We use the 5600 series bits for aluminum and the 5800 series bits for aerospace grade (harder) aluminum. Give them a call at 1=715-355-7353 or 1-800-355-7708. The can also get you the starting rpm/feedrate to get the best cut and correct chipload.

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#4805504 - 07/05/18 07:56 AM Re: 1/4" router bits for metal [Re: ET16]
Trav Offline


Registered: 11/20/06
Posts: 19314
Loc: MA, Mittelfranken.de
Originally Posted By: ET16
It's like 22 gauge, so maybe 1/8" ?


22ga is 1/32.
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