1. What You Receive: This package includes one 8mm lead screw with a diameter of 8mm, a pitch of 2mm, and a lead of 4mm (2 starts). The total length of the lead screw is 1880mm (74.02 inches). It comes with one brass lead screw nut and is provided without end machining. Customization options are available; please contact us for specific requirements. 2. Nut Options: The standard round brass nut is included with the lead screw. We also offer various alternatives including square brass nuts, trimming brass nuts, POM round and trimming nuts, as well as stainless steel round and hex nuts. Please inform us of your preferences. 3. Comprehensive Solutions: Our factory resources allow us to provide a wide range of lead screws with different rod diameters, lengths, pitches, and materials. We also offer related products such as taps for nut manufacturing to meet all your lead screw needs. 4. Reliable Customer Support: Our dedicated support team is available 24/7 to assist with any inquiries. We provide technical assistance throughout your purchasing journey, ensuring a seamless experience. Our goal is to foster long-term relationships with our customers and guarantee your satisfaction. Use Cases: - Ideal for CNC machines where precision movement is crucial. - Suitable for 3D printers requiring reliable and consistent lead screw performance. - Great for DIY projects that involve linear motion systems, such as automated equipment or robotics.