On Sep 13, 4:04 pm, Pete Snell wrote:

I've had to do similar work to the OD of anodized pieces. Hard
anodizing is hard but not *that* hard. Give it a quick rub with
carborundum or silicon carbide, and I'll think you'll find it works out
alright. Go really slow and use a lube. You probably find that the
initial work will make a big change, as you take off the high spots, but
it'll go a little slower after that.

--
Pete Snell
Department of Physics
Royal Military College

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I agree with Pete. Silicon Carbide is slightly harder than aluminum
oxide and I think it will work just fine.

Dan