THREAD GRINDING INC. ABOUT NELSON THREAD GRINDING Nelson Thread Grinding offers a complete selection of precision thread forms applicable to a wide range of products and manufacturing disciplines, including: Ultra precision, close tolerance lead screws for optics positioning, motion control, instrumentation, robotics, computer chip manufacture, bio-medical equipment, machine tool positioning and hundreds of applications for the aerospace and aircraft industries. Have an application where Nelson Thread Grinding could Help? From prototype to production, from thread-grinding service to complete manufacturing capability, we invite and appreciate the opportunity to discuss your particular requirements. See more of our product!