... Tolerance:+/-0.0001 high quality stainless steel worm gear with good priceSpecifications:1) Suitable for various automotive, electronic, ... EDM, etc. 3)Quality control equipments: roundness meter, projector meter, microscope, gear-test meter, surface measuring meter and ... Ltd. is a private enterprise, established in 2000.• with an emphasis on Researching, Developing, processing and exporting various ...