S-2391N24 M8 x 250 mm Metric Fast-Travel Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Ultra-precision performance with ±0.1 mm accuracy per 300 mm travel for reliable, repeatable positioning in demanding applications.
• Fast linear motion with 10 mm travel per turn and 4:1 speed ratio, enabling rapid movement and increased operational efficiency.
• Exceptional durability from 304 Stainless Steel construction, offering excellent corrosion resistance and a high tensile strength of 72,000 psi.
• Smooth, efficient operation due to the 4 thread starts and metric rounded trapezoidal thread profile, reducing friction and wear.
• Robust mechanical properties with Brinell 160 hardness, ensuring long service life under continuous load.
• Versatile fully-threaded, right-hand design for easy integration into various precision linear motion systems and machinery.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This M8 metric lead screw is engineered for ultra-precision linear motion systems where accuracy and speed are critical. The 304 Stainless Steel material provides superior corrosion resistance, ideal for harsh environments like medical devices, laboratory automation, and CNC machinery. Its 4 thread starts and metric rounded trapezoidal threading deliver smooth, efficient power transmission with minimal backlash, solving common issues of wear and positioning errors. The fast-travel design with a 10mm per turn advance and 4:1 speed ratio enables rapid actuation, enhancing throughput in assembly lines and precision manufacturing. This combination of high tensile strength and precise thread pitch ensures reliable performance in applications demanding tight tolerances and long-term durability.

Specification Summary & Compliance

This lead screw features an M8 thread size with a 2.5 mm thread pitch and metric rounded trapezoidal thread type, ensuring compatibility with standard metric components. It is fully threaded with a right-hand thread direction and offers a travel distance of 10 mm per turn with an accuracy of ±0.1 mm per 300 mm. Manufactured from 304 Stainless Steel, it meets high mechanical standards with a tensile strength of 72,000 psi and Brinell 160 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety for industrial use and environmental responsibility.