Mike you may also want to look at Ingersol Tooling.

http://www.ingersoll-imc.com/en/ingersolltv/index.htm

Material: Inconel
Tool: TFMRND2.0012CH-F
Insert: RNGX1207CH,
Grade: AS20
DOC: .040", WOC: 1.0 "
RPM: 4310, SFM: 2258, IPM: 334
Spindle Load: 55-65%

Impressive