Can't comment on how well it cuts aluminum or steel but it worked great on polymer If you are cutting resin this end mill will get the job done and do it well.
πͺ DEWALT DW3984C Portable Blade Set of 3-Pack
10 Review
πͺ Bi-Metal Cutting Blades: Imachinist S933414 - Enhancing Precision and Performance
10 Review
Enhanced Cutting Efficiency with Olson FB23370DB 0 025 2 Inch Blade
10 Review
πͺ Durable DEWALT DW3986C Portable Blade 3 Pack for Efficient Cutting
10 Review