Profile: Northfield Precision Instrument Corp. develops precision air chucks and accessories. We serve the aerospace, electrical/electronic, medical/optical, machine tool, plastics/ceramics, appliance and education/training fields. We fabricate microspin bearings, precision gear blanks, precision shafting, precision limit stops and miniature slip clutches for the electronic industry. We render turning, grinding, boring, milling, measuring, inspection and material handling services. We design & produce devices for parts ejection, coolant direction, chip blow-off, robotic loading/unloading, locating tooling and stand-offs.