Precision Turning Specialties

Precision Turning Specialties is a family-owned and operated leader in Swiss CNC machining, proudly based in Greeneville, TN. Holding both AS9100 and ISO 9001:2015 certifications, we deliver high-quality, precision-turned parts that meet the tight tolerances and complex geometries demanded by industries worldwide. Using state-of-the-art Swiss screw machines, we manufacture custom components ranging from 0.093" to 2" in diameter, serving a diverse range of sectors including aerospace, automotive, defense, medical, electrical & RF, dental, hydraulics, telecommunications, and more. Our advanced capabilities include live milling, cross-drilling, cross-tapping, rigid tapping, and subspindle operations, ensuring fully finished parts ready for your applications. Our commitment to quality goes beyond certifications. With 24/7 lean manufacturing and rigorous in-house quality control, we ensure every shipment delivers reliable, high-performance parts like fasteners, connectors, shafts, and fittings. We offer material certifications (e.g, Heat Treated, UGIMA, Conflict-Free) and finishing services such as citric and nitric passivation, plating, and heat treatment through trusted partners. At Precision Turning Specialties, we don’t just make parts—we build partnerships. Our skilled machinists and dedicated quality team work closely with you to transform your ideas into precision components that drive your success. Whether you need parts for flight systems, medical equipment, or industrial automation, we’re here to deliver on time, every time, proudly made in the USA. Learn more: Visit our website Get a quote: Let’s discuss how we can support your next project!