Helix Linear Technologies manufactures Acme screws with 2C thread form in various materials, including stainless steel, alloy, titanium, and aluminum. When it comes to lead accuracy we offer up to .0003/inch (higher accuracy available upon request). Our precision Acme screws feature centralizing thread forms for smooth, no-wedging performance and can be cut to length or custom end-machined. Common examples of acme screw end machining include journals, keyways, flats, centers, snap ring grooves, and counterbores. Send us your specifications, and we can design a custom Acme screw to fit your specific needs.