We've been using aluminum end mills on the T6-6061 for a number of years. They're a little cheaper than other brands and work just as well. We run them at 575 square feet per minute and 0.006 chips per tooth and they offer long service life.
Olson 80 Inch Blade FB14580DB-025
10 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review