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CC Advertisers
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11-02-2017, 08:27 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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Not Ranked
Best Burr's For Cutting Aluminum ?
There are many carbided burr's for sale, single and dual cut, etc.
$15 to $10,000. 
What type are made for cutting aluminum ?
My use is for cutting rough cutting aluminum engine parts before sanding and polishing.
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Regards,
Kevin
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11-02-2017, 10:07 PM
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CC Member
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Join Date: Dec 2015
Posts: 1,442
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Not Ranked
Wide spaced 8 flute works best. Lube (Wax, grease, anti-seize, Mold release) all work pretty well and keep the burr from loading.
ALUMA BURRS |
11-02-2017, 10:54 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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That's great. Wish they posted prices.
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Kevin
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11-02-2017, 11:01 PM
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11-03-2017, 09:08 AM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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Not Ranked
I know you get what you pay for but man, their expensive.
But if used properly, it should last a long time vs a cheap one.
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Regards,
Kevin
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11-03-2017, 04:27 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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double cut may load up, try the single first.
probably McMaster-Carr may have better prices on them.
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Fred B
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11-03-2017, 08:02 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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Which type, single or dual, are better for aluminum ?
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Regards,
Kevin
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11-04-2017, 02:54 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
the dual will just load up i would use the single.
if your using it and aluminum gets welded to the tool, keep some steel handy to run the burr in, it will pull the aluminum out of the cutter.
a handy cutting fluid for aluminum is Isopropyl Alcohol
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Fred B
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11-04-2017, 03:17 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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Not Ranked
Ok, great. Thanks for the tips too.
To keep cost down, how about this and others on Amazon, ebout etc ?
https://www.amazon.com/YUFU-10-Carbi...ide+burr&psc=1
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Regards,
Kevin
Last edited by FUNFER2; 11-04-2017 at 03:25 PM..
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11-04-2017, 05:43 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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they are double cut and look like real doo doo, spend the extra at mcmaster.
they will be worth it
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Fred B
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11-04-2017, 05:55 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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Not Ranked
__________________
Fred B
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11-04-2017, 07:53 PM
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CC Member
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
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Ok, won't go the cheap route.
I like your selection and these.
https://www.mcmaster.com/#carbide-burs/=1a46ggo
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Regards,
Kevin
Last edited by FUNFER2; 11-04-2017 at 08:05 PM..
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11-05-2017, 08:53 PM
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CC Member
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Join Date: Jan 2008
Location: Williamsport,
PA
Cobra Make, Engine: Kellison Stallion 468 FE
Posts: 2,703
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just food for thought, if your using a hand held device with a carbide burr they will not be very controllable, for rough material removal they are great, for more controlled
hand working a mounted stone will give a better result, i prefer the ball type.
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Fred B
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11-05-2017, 09:03 PM
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Join Date: Oct 2002
Location: Eagle,
Ne.
Cobra Make, Engine: 1966 Lone Star 427SC.
Posts: 4,310
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That's why I want a burr for aluminum. Some shaping, some smoothing before using stones, sanding rolls etc then buff polishing. Water pump, timing cover etc.
I'm concerded about chasing pit holes, as I can seen many on the surface. 
__________________
Regards,
Kevin
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