1. What You Receive: This package includes one 8mm lead screw with a diameter of 8mm, a pitch of 2mm, a lead of 4mm, and 2 starts. The total length is 180mm (7.09 inches). It also comes with one brass lead screw nut and requires no end machining. Custom lead screw manufacturing is available upon request. 2. Versatile Nut Options: The standard nut is a round brass nut, but we also offer a variety of alternatives including 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. 3. Comprehensive Lead Screw Solutions: With extensive factory capabilities, we provide a wide range of lead screws in different diameters, lengths, pitches, and materials. We also offer related products such as taps for nut manufacturing. We are dedicated to fulfilling your lead screw needs. 4. Reliable Customer Support: Our professional service team is available 24/7 to assist with any questions you may have. We offer technical support before, during, and after your purchase. Our goal is to establish long-term relationships with our customers, ensuring a positive shopping experience. Use Cases: Ideal for CNC machines, 3D printers, or any application requiring precise linear motion. Perfect for DIY projects where customizable lead screws are needed, or for replacing worn-out components in existing machinery.