S-6350K209 3/8"-20 x 1 29/32" Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Wear-compensating spring design maintains consistent performance and extends service life by automatically adjusting for wear in precision motion systems.
• High-strength Acetal Plastic construction offers excellent corrosion resistance, low friction, and lightweight properties ideal for demanding industrial environments.
• Ultra-precision 0.05" travel per turn ensures smooth, accurate linear motion critical for applications requiring fine positional control.
• Robust 9700 psi tensile strength provides reliable load-bearing capacity while resisting deformation under operational stress.
• Integrated flange with 3 mounting holes simplifies secure installation and enhances stability, reducing assembly time and vibration.
• 10 lbs dynamic thrust load capacity supports consistent performance in repetitive motion applications without premature failure.
• Rounded Acme thread profile delivers efficient power transmission with reduced backlash for improved accuracy in lead screw assemblies.

Professional Applications & Engineering Value

This 3/8-20 Acetal Plastic Flange Nut is engineered to address common challenges in ultra-precision lead screw systems, such as wear-induced backlash and alignment instability. The wear-compensating spring technology automatically adjusts for material wear, maintaining tight tolerances and positional accuracy over extended cycles—critical in CNC positioning, medical devices, and optical equipment. Made from durable Acetal Plastic, it resists chemicals and moisture while providing smooth operation with minimal lubrication. The right-hand rounded Acme thread ensures efficient torque conversion and reduced friction, making it ideal for applications where precision, reliability, and low maintenance are paramount. Its flange design with standardized mounting holes further simplifies integration into existing assemblies, enhancing overall system durability.

Specification Summary & Compliance

This flange nut adheres to inch system measurements with a thread size of 3/8"-20 and rounded Acme thread type for precise engagement. It meets industry standards for dimensional accuracy, including consistent travel distance of 0.05" per turn. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for global industrial use. Manufactured to deliver reliable performance with a dynamic thrust load capacity of 10 lbs and tensile strength of 9700 psi, it is designed for repeatable operation in precision mechanical systems.