Used mills as roter bits? - Router Forums
 
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post #1 of 7 (permalink) Old 08-05-2010, 10:15 PM Thread Starter
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Default Used mills as roter bits?

I have access to discarded mills at work from our machine shop. They were used for cutting aluminum. Some are brand new. Can I use them in my router on wood?
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post #2 of 7 (permalink) Old 08-05-2010, 11:57 PM
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If they are still sharp (ish) then yes.
I use 10mm HSS milling cutters that I acquire from work with no problems.
They give a nice clean cut as most have three continuous cutting edges.
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post #3 of 7 (permalink) Old 08-06-2010, 12:06 AM
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Welcome to the forums Bob. The new end mills I think you can use, but I wood be hesitant in using old ones. You need really sharp cutting edges in wood.




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post #4 of 7 (permalink) Old 08-06-2010, 12:16 PM
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Hello Bob, I have a ton of new, and used. They will work. But remember that they aren't made for that and may cause some problems with clean routing of certain materials. They are HS steel ?

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post #5 of 7 (permalink) Old 08-06-2010, 04:49 PM
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I just started using some this week. Same thing here, i have access to them at work. Used ones can be found in the trash in the machine shop. I'm using some really tiny ones (1-1.5mm) for outlining a sign I'm tinkering with. They cut through wood like butter. The only thing I was worried about is that instead of the .25" shaft diameter is actually .23, so I have to use most of the threads on the collet.

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post #6 of 7 (permalink) Old 08-08-2010, 07:35 PM Thread Starter
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Most of the mills I find are solid carbide. I am not sure how easy they would be to sharpen.

I need to find some adapters for my 1/2" collet. Some of the mills are 3/8" Does anyone know a source for an adapter?

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Originally Posted by dutchman 46 View Post
Hello Bob, I have a ton of new, and used. They will work. But remember that they aren't made for that and may cause some problems with clean routing of certain materials. They are HS steel ?
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post #7 of 7 (permalink) Old 08-08-2010, 08:13 PM
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Quote:
Originally Posted by Bob95065 View Post
Most of the mills I find are solid carbide. I am not sure how easy they would be to sharpen.

I need to find some adapters for my 1/2" collet. Some of the mills are 3/8" Does anyone know a source for an adapter?
Try here: Whiteside Router Bits from Woodworkersworld.net--Router Accessories
These are a little cheaper:
http://www.toolstoday.com/nsearch.as...shing&x=9&y=12
I think MLCS and EagleAmerica have them too.
Good Luck

John Schaben

The problem with experience is I usually get it immediately after I need it.

Last edited by jschaben; 08-08-2010 at 08:17 PM.
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