???Our shop focuses on accomplishing tight tolerance, intricate work with a quick turnaround,??? Mr. Rosander says. ???Typical tolerances range from 0.0003 inch to 0.0005 inch on the turning centers and 0.0005 inch to 0.002 inch on the machining centers and mills.??? Operations include 3D surfacing, locating holes to other features, including ID and OD, as well as machining grooves, pockets, bores