S-99030A476 1"-8 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Travel Accuracy: Maintains precise positioning with ±0.009" per foot accuracy, ensuring reliable and repeatable motion control in automated systems.
• High Tensile Strength: Withstands heavy loads and stress up to 64,000 psi, providing durability and longevity in demanding industrial environments.
• Durable 1018 Carbon Steel Construction: Offers excellent wear resistance and a Brinell 126 hardness for extended service life under continuous operation.
• Class 2C Thread Fit: Ensures smooth, low-friction engagement with compatible nuts, reducing backlash and enhancing operational efficiency.
• Left-Hand Acme Threading: Enables unique motion control applications, such as counter-clockwise advancement, for specialized machinery setups.
• Fully Threaded Design: Provides consistent drive along the entire 3 ft. length, allowing for versatile installation and maximum utility.
• Standardized Inch System Compatibility: Simplifies integration with existing equipment and reduces the need for custom adapters.

Professional Applications & Engineering Value

Engineered for precision motion control, this 1"-8 Left Hand Acme Lead Screw is ideal for industrial automation, CNC machinery, and positioning systems where accuracy and reliability are critical. The 1018 Carbon Steel material and Acme thread type deliver high strength and wear resistance, minimizing deflection and maintenance in high-cycle applications. The left-hand thread direction is particularly valuable in setups requiring reverse motion or synchronization with right-hand components, solving complex drive mechanism challenges. With its fully threaded design and consistent travel distance per turn of 0.125", it ensures smooth linear motion, making it a trusted component for engineers seeking dependable performance in packaging, manufacturing, and material handling equipment.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards, ensuring precise tolerances for reliable nut engagement. Manufactured in the inch system with a 1"-8 Acme thread size and single thread start, it meets common industrial specifications for dimensional accuracy. The product complies with general industry manufacturing practices and is suitable for use in systems requiring consistent travel accuracy and robust material properties.