S-6350K173 1/2"-20 x 1 1/2" Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance and low friction due to Acetal Plastic construction, ensuring smooth operation and extended service life in precision motion systems.
• Consistent 0.05" linear travel per revolution delivers highly predictable and repeatable positioning for applications requiring fine adjustments.
• Integrated flange with 3 mounting holes simplifies installation and provides secure, stable attachment to machinery components.
• Robust 150 lbs dynamic thrust load capacity handles significant axial forces reliably in automated and precision-driven environments.
• Rounded Acme thread profile (1/2"-20) reduces binding and offers smoother engagement with lead screws compared to standard threads.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and meets international standards for industrial components.
• Right-hand threading design provides standard directional control compatible with common ultra-precision lead screw assemblies.

Professional Applications & Engineering Value

Engineered for ultra-precision lead screw systems, this Acetal Plastic Flange Nut addresses critical needs in motion control where minimal backlash and high repeatability are paramount. The rounded Acme thread minimizes friction and wear, while the flange design with 3 mounting holes ensures vibration-resistant stability in CNC machinery, optical positioning devices, and laboratory automation. Its Acetal material offers excellent dimensional stability and corrosion resistance, making it ideal for environments where metal components may degrade or cause contamination. With a precise 0.05" travel per turn, it enables fine-tuned adjustments in medical equipment, 3D printers, and measuring instruments, enhancing overall system accuracy and reducing maintenance downtime.

Specification Summary & Compliance

This nut features a 1/2"-20 rounded Acme thread with right-hand direction, manufactured to standard inch system tolerances for consistent performance. It includes a 1 1/2" flange diameter with three 13/64" mounting holes on a 1 1/8" bolt circle, supporting secure fastening. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.