- Product Details : This package includes one 20mm lead screw with a diameter of 20mm, a pitch of 4mm, a lead of 8mm, and two starts. The total length is 350mm (13.78 inches), accompanied by a brass lead screw nut. Note that no end machining is included. - Versatile Nut Options : The lead screw features a standard round brass nut, but we offer various nut types to suit your needs, including square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless round nuts, and stainless hex nuts. - Comprehensive Lead Screw Solutions : We provide a wide range of lead screws in different rod diameters, lengths, pitches, leads, and materials. Explore our related products, including taps for nut manufacturing and additional accessories. - Reliable Customer Support : Our dedicated professional team is available to assist you with any inquiries 24 hours a day. We offer technical support before, during, and after your purchase, ensuring you have a seamless experience. - Applications : Suitable for various applications, including 3D printers, CNC machines, and automated systems. This lead screw setup provides smooth linear motion, enhances precision, and allows for effective load transmission. - Key Benefits : Designed for durability and reliability, our lead screws ensure high performance in demanding environments, confirming their compatibility with multiple assembly projects. The range of nut options allows you to customize your setup to meet specific requirements.