- Product Includes: 1 x 8mm lead screw with a diameter of 8mm, pitch of 2mm, lead of 4mm, and 2 starts. Total length is 650mm (25.59 inches). Comes with 1 x brass lead screw nut; no end machining included. - Versatile Nut Options: The included standard round brass nut can be complemented with a variety of other nuts including square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless steel round nuts, and stainless steel hex nuts, allowing for tailored compatibility with your projects. - Extensive Range of Lead Screws: With our factory resources, we offer a wide selection of lead screws in various diameters, lengths, pitches, and leads. Additional materials are also available. We provide related products such as taps for nut manufacturing. - Reliable Customer Support: Our professional team is available 24/7 to answer your questions and provide technical support before, during, and after your purchase, ensuring a worry-free experience. - Applications: This lead screw is ideal for use in 3D printers, CNC machines, and automation systems, making it perfect for both hobbyists and professionals. Its precise design ensures smooth linear motion, improving the reliability of your mechanical projects. - Functionality and Performance: The lead screw features a robust design that minimizes backlash and enhances performance, ensuring consistent movement and durability in various applications. - Compatibility: Designed to work seamlessly with our range of nuts and other lead screw accessories, making it easy to customize for your specific needs.