1. What You Receive - 1 piece of 8mm lead screw - Lead screw specifications: Diameter: 8mm; Pitch: 2mm; Lead: 8mm; 4 starts - Total length: 840mm (33.07 inches) - Includes 1 brass lead screw nut; note: no end machining 2. Versatile Nut Options - Standard round brass nut included - Additional nut types available: square brass nut, trimming brass nut, POM round nut, POM trimming nut, stainless round nut, stainless hex nut 3. Comprehensive Lead Screw Solutions - Wide range of lead screws in various diameters, lengths, pitches, and materials - Related accessories available, including taps for nut manufacturing 4. Reliable Customer Support - Professional support team available 24/7 to assist with inquiries - Technical assistance provided before, during, and after your purchase Use Scenarios: - Ideal for CNC machines, providing precise linear motion for enhanced accuracy - Perfect for 3D printers, ensuring reliable and consistent movement for high-quality prints - Suitable for automation projects, enabling smooth and controlled motion for various applications This lead screw package offers the durability and reliability you need for your projects, ensuring optimal performance and compatibility across a variety of uses.