Medical precision parts produced by sunbright include a variety of surgical instruments used in medical procedures, such as trocars (skin piercers), bone drills and saws. When cnc is used to machine medical precision parts, the part is usually milled using 3 to 5 axes or turned using a live tool CNC lathe. The most common types of machines used in the manufacturing of medical parts include CNC milling, lathing, drilling, and computerized milling.