- Product Includes: One 12mm lead screw with a diameter of 12mm, pitch of 2mm, lead of 12mm, and 6 starts. The total length is 860mm (33.86 inches). Comes with one brass lead screw nut; end machining is not included. - Versatile Nut Options: The standard round brass nut is included, with additional options available such as square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless steel round nuts, and stainless steel hex nuts to suit various applications. - Extensive Lead Screw Selection: Our factory resources allow us to offer a wide range of lead screws with different diameters, lengths, pitches, and leads. We also provide related products, including taps for nut production, ensuring all your lead screw needs are met. - Reliable Customer Support: Our dedicated team is available 24/7 to assist with any inquiries. We offer technical support at every stage of your purchase, ensuring a smooth and worry-free experience. - Practical Applications: Ideal for 3D printers, CNC machines, and automation projects, our lead screws provide precise linear motion. Use them in scenarios requiring reliable and consistent movement, such as robotics or custom machinery. - Quality and Compatibility: Designed for durability and performance, our lead screws are compatible with various systems, making them an excellent choice for hobbyists and professionals alike.