JET ETM-949 Mill with X, Y, Z-Axis JET PowerfeedsElite offers world class mills fully loaded with features. With Certified Meehanite castings, an electronic spindle brake that prevents accidental startups, and a hardened and ground table, this mill provides reliability and durability for milling a diverse variety of materials. Our patented vari disc key provides up to 10 times the wear resistance than aluminum or brass keys. The fully hardened Chromium Molybdenum spindle meets strict tolerance