I'm looking to se up a customer performing a roll form tap operation on M8 x
1.25" holes.

CRS, 0.300" thick.

I'd love to know the RPMs you would run for a conservative process, minimal
coolant (not flood), etc.

My conservative number for a cut tap would be around 300-400 RPM. I'm
guessing a roll form tap runs slightly different numbers (HSS tooling).

Any input would be greatly appreciated.

Regards,
Joe Agro, Jr.
(800) 871-5022 x113
01.908.542.0244
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V8013-R