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.
Autotoolhome High-Speed Steel Straight Cutter
7 Review
SpeTool 5Pcs/Set Flat Nose Double Flute Carbide End Mill 1/32" Cutting Dia Router Bits Cutter CNC Machine Tools For Carbon Steel Soft Alloy Steel Die Steel Tool Steel Cast Iron Wood
11 Review
πͺ AFUNTA 4-Flute 0.08" Milling Bits
7 Review
π² Precision Square Straight Cutter in Imperial Metric
9 Review
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
High-Performance Bosch BS80 6W Bandsaw - 80 Inch 4 Inch Blades
11 Review