Premier Equipment keeps the top used CNC boring mill brands in our inventory like -Wia, Mazak, Kuraki, Toshiba, Giddings and (G&L) and Okuma. Skip to content (407) 786.2000. Appraisals; ... What They Do: CNC boring mills make (or bore) holes in a piece of material. The table type is considered the most common and versatile …