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Re: Armstrong threading tool (was "[LL] Lantern toolpost dimensions")

 

Bill Williams
Feb 17? ?
My attempt to mll down an Armstrong tool holder ended in blunting the inserts in a carbide face mill! Be forewarned. Bill in Boulder

FYI?
Using carbide is not best at times for milling hard steel like the Armstrong tool holders.? If trying to mill hard steel use grade C5. They not as hard like grade C2 and brittle.?
I found HSS tool bits does better job but not fast like carbide.?

Dave?
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