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Source for Al-specific laydown threading inserts?

Finegrain

Diamond
Joined
Sep 6, 2007
Location
Seattle, Washington
Hello,

Anybody got a source for laydown threading inserts that are optimized for Al? I had some trouble cutting external 5/8"-11 over the weekend, got some smearing that made the threads look bad. Seems like most of the laydown inserts I see are targeted at steel, stainless, or exotics, with appropriate edge prep and coatings. I'd really like to find something super-sharp and uncoated, like my Al-specific finishing endmills.

Thanks, and regards.

Mike
 
Vardex VK2P grade is listed as "Highly-polished version of the VK2 uncoated grade for hight quality surface finish in aluminum."

The VK2 is also designed for Non-ferrous applications.
 
I've had great results with a carmex brand, even broke the chip nicely.
Although you would have to call and ask as I do not remember the coating or grade.
 








 
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