S-99030A703 3/8"-8 x 6 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Fast-travel design with 4 thread starts and 0.5" travel per turn for rapid linear motion and increased productivity in automated systems.
• High tensile strength of 64,000 psi ensures reliable load-bearing capacity and resistance to deformation under heavy industrial use.
• Precision accuracy of ±0.009" per foot guarantees consistent positioning and repeatability in CNC and motion control applications.
• Durable 1018 carbon steel construction with Brinell 126 hardness provides excellent wear resistance and long service life in demanding environments.
• Class 2C thread fit offers optimal clearance for smooth operation with ACME nuts, reducing binding and maintenance needs.
• Full compliance with RoHS 3 and REACH regulations ensures safe, environmentally responsible use in global industrial markets.
• Right-hand threaded, fully threaded design allows for versatile mounting and easy integration into existing machinery setups.

Professional Applications & Engineering Value

This 3/8-8 ACME lead screw is engineered to address critical needs in precision motion systems, where speed and accuracy are paramount. Made from 1018 carbon steel, it combines high tensile strength and hardness to withstand repetitive loads in CNC machinery, 3D printers, and automated positioning equipment. The 4:1 speed ratio and 4 thread starts enable fast-travel linear motion, reducing cycle times while maintaining ±0.009" per foot accuracy. The Class 2C thread fit and right-hand Acme threading minimize friction and wear, ensuring smooth operation with compatible nuts. Ideal for industrial automation, packaging systems, and material handling, this screw delivers reliable performance in high-duty applications, enhancing efficiency and reducing downtime.

Specification Summary & Compliance

This precision Acme lead screw features a 3/8-8 thread size with Class 2C thread fit per standard Acme specifications, ensuring dimensional accuracy and compatibility. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, meeting environmental and safety regulations for industrial components. The manufacturing process maintains tight tolerances for travel distance and thread geometry, supporting consistent performance in engineered systems.