... ISO9001:2008; tolerance: +/-0.0001mm brass worm gear for gearbox Specifications:1) Suitable for various automotive, electronic, telecommunications ... projectors, Mitutoyo fineness instruments for inspection, EDM, high speed CNC machine, Sodick wire EDM, etc. 3)Quality ... control equipments: roundness meter, projector meter, microscope, gear-test meter, surface measuring meter and so on4) ...