- What You Receive: This set includes one 8mm lead screw with a diameter of 8mm, a pitch of 4mm, a lead of 20mm, and a total length of 1040mm (40.94 inches). It comes with one brass lead screw nut, and no end machining is required. Customization options are available—please message us for details. - Nut Options: The standard round brass nut is included, but we also offer various alternatives such as square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless round nuts, and stainless hex nuts. Let us know your specific requirements. - Comprehensive Solutions: We provide a wide range of lead screws tailored to your needs, including various diameters, lengths, pitches, and materials. We also offer related products, such as taps for nut manufacturing, to support your projects. - Reliable Customer Support: Our dedicated service team is available 24/7 to assist with any inquiries. We offer technical support before, during, and after your purchase, ensuring a smooth and satisfying experience. Our goal is to establish long-term partnerships with our customers. - Practical Applications: Ideal for 3D printers, CNC machines, and robotics, this lead screw enhances precision and reliability in your projects. Its robust construction ensures durability, making it suitable for both hobbyist and industrial applications. Choose our lead screw for high performance and dependable service in all your mechanical needs.