I was wondering what kind of feeds and speeds you guys run....

17-4 Stainless Steel HT:

Sandvik CNMG-433-SMR-1115 for Roughing
.120 Depth of cut
400SFM
F.012

Insert Normally runs for about 15-20 parts.

4340HT

Sandvik CNMG-433-MR-4215 for Roughing
.120 Depth of cut
650 SFM
F.012

Insert life 15-20 parts.


Thank you!