1. Product Contents Includes 1 piece of 8mm lead screw with a diameter of 8mm, a pitch of 2mm, a lead of 4mm, and 2 starts. Total length is 680mm (26.77 inches). Also included is 1 brass lead screw nut, without end machining. Custom lead screw manufacturing available upon request. 2. Nut Options The standard offering is a round brass nut. Additional options include square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless round nuts, and stainless hex nuts. Please specify your preferences. 3. Comprehensive Lead Screw Solutions With extensive factory resources, we offer a variety of lead screws featuring different diameters, lengths, pitches, leads, and materials. Related products, such as taps for nut manufacturing, are also available. We are committed to meeting all your lead screw needs. 4. Reliable Customer Support Our dedicated service team is available 24/7 to address your inquiries. We provide technical support before, during, and after your purchase, ensuring a seamless shopping experience. We prioritize long-term relationships with our customers and aim for your complete satisfaction. Use Scenarios - Ideal for CNC machines requiring precision movement. - Perfect for 3D printers needing reliable and accurate axis motion. - Suitable for automation systems where consistent lead screw performance is essential.