S-2391N35 M20 x 500 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, ensuring reliable positioning and repeatability in demanding applications.
• Fast-travel efficiency with 20 mm travel distance per turn and 4-start threading, enabling rapid linear motion and reduced cycle times.
• Exceptional durability from 304 Stainless Steel construction, offering high corrosion resistance and long service life in harsh industrial environments.
• High load capacity with 72,000 psi tensile strength and Brinell 160 hardness, providing robust performance under heavy mechanical stress.
• Optimized thread design using Metric Rounded Trapezoidal threads for smooth operation, reduced wear, and improved power transmission.
• Compliance assurance with RoHS 3 and REACH standards, meeting stringent environmental and safety regulations for global industrial use.
• Versatile installation with fully threaded, right-hand M20x5 mm design, allowing flexible integration into various precision drive systems.

Professional Applications & Engineering Value

This M20x5mm 4-start lead screw is engineered to address critical challenges in high-speed automation and precision machinery. Its 304 Stainless Steel composition ensures corrosion resistance in humid or chemically aggressive settings, while the 4-start metric trapezoidal thread design minimizes backlash and distributes load evenly for consistent motion control. The ±0.1mm/300mm accuracy eliminates positioning errors in CNC systems, 3D printers, and medical devices, where repeatability is paramount. With a 20mm travel per turn, it accelerates throughput in packaging, robotics, and optical alignment equipment, reducing downtime and enhancing productivity. This component delivers reliable fast-travel performance without sacrificing precision, making it ideal for engineers seeking to optimize speed and accuracy in linear actuation systems.

Specification Summary & Compliance

This lead screw features an M20 thread size with 5 mm pitch and 4-start threading, adhering to metric trapezoidal thread standards for precise engagement and torque transmission. Manufacturing tolerances ensure ±0.1 mm accuracy per 300 mm travel, supporting high-precision applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing the exclusion of hazardous substances. The 304 Stainless Steel material provides a tensile strength of 72,000 psi and Brinell 160 hardness, meeting rigorous industrial demands for strength and durability.