- What You Receive: 1 unit of an 8mm lead screw featuring a diameter of 8mm, a pitch of 4mm, and a lead of 16mm with 4 starts. The total length is 300mm (11.81 inches). This package includes one brass lead screw nut and is available without end machining. Customization options are available; please contact us for details. - Diverse Nut Options: The standard brass nut is round; however, we also offer a variety of nut types including square brass nuts, trimming brass nuts, POM round nuts, POM trimming nuts, stainless round nuts, and stainless hex nuts. Refer to images 3, 4, and 5 for examples. Let us know your specific requirements. - Comprehensive Lead Screw Solutions: With access to extensive factory resources, we provide a wide range of lead screws with different diameters, lengths, pitches, and materials. We also offer complementary products such as taps for nut manufacturing, ensuring all your lead screw needs are met. - Reliable Customer Support: Our dedicated service team is available 24/7 to address your inquiries. We offer technical support throughout your purchase journey, ensuring a smooth and satisfactory shopping experience. We aim to establish long-term relationships with our customers, prioritizing your satisfaction. - Applications: Ideal for 3D printers, CNC machines, and automation projects where precise linear motion is crucial. Use it in setups that require reliable movement and positioning, such as robotics or custom machinery. This lead screw and nut combination is engineered for performance, durability, and compatibility with a variety of applications, making it an essential component for your projects.