Drilling AR260 Plate

Hey, I am in the middle of this project, and need to drill some

9/16ths holes in abrasion-resistant 260 plate that's 1 inch thick.

I will be using an T-A indexible drill holder, However the inserts are not carbide, but coated HSS, I am looking for approximate speeds and feeds for this drilling operation, just a starting point so i can avoid smashing my drill holder to pieces.

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Brad, AMEC's recommendations might be a good starting point.

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