Mar 10, 2022 · BUY NOW: US$4,175.75, Amazon. 5. Best Micro Milling Machine—Proxxon 37110 Micro Mill. For small, delicate, and intricate projects, the Proxxon 37110 MF 70 micro mill is ideal. This aluminum machine with a cast iron base is a sturdy and highly accurate mini mill. “Excellent little machine,” reads one review.