1. Product Details - 1Pcs 8mm lead screw - Diameter: 8mm - Pitch: 4mm - Lead: 20mm (5 starts) - Total Length: 950mm (37.4 inches) - Includes 1Pcs brass lead screw nut (no end machining) - Custom manufacturing available upon request (see Pic 2) 2. Versatile Nut Options - Standard round brass nut included - Additional options: square brass nut, trimming brass nut, POM round nut, POM trimming nut, stainless round nut, and stainless hex nut (see Pics 3, 4, 5) - Tailor your selection to meet specific requirements 3. Comprehensive Lead Screw Solutions - Extensive variety: different diameters, lengths, pitches, leads, and materials available - Related products offered, including taps for nut creation - One-stop solution for all lead screw needs 4. Reliable Customer Support - Professional service team available 24/7 to address inquiries - Technical support provided before, during, and after your purchase - Commitment to building long-term relationships with customers for a satisfying shopping experience Use Cases: - Ideal for 3D printers requiring precise linear motion. - Suitable for CNC machines needing reliable and accurate positioning. - Excellent choice for robotics projects where adjustable components are essential.