S-6642K31 9/64"-41.7 x 1/2" Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Wear-compensating internal O-ring ensures consistent performance and extended service life by automatically adjusting for wear in demanding ultra-precision applications.
• High-precision Acetal Plastic construction offers excellent dimensional stability, low friction, and corrosion resistance for reliable operation in various industrial environments.
• Ultra-fine 0.024" travel per turn provides exceptional positional accuracy and smooth motion control in sensitive lead screw assemblies.
• 5 lbs dynamic thrust load capacity delivers dependable force handling for precision mechanisms without compromising on lightweight design.
• Rounded Acme thread profile ensures smooth engagement, reduced backlash, and efficient power transmission in right-hand threaded systems.
• Integrated flange with pre-drilled mounting holes simplifies installation and secure attachment, saving assembly time and enhancing system stability.
• Full compliance with RoHS 3 and REACH regulations guarantees environmental safety and material reliability for global industrial applications.

Professional Applications & Engineering Value

This Acetal Plastic Flange Nut is engineered to address critical challenges in ultra-precision lead screw systems, where minimal backlash, consistent positioning, and long-term reliability are paramount. The wear-compensating internal O-ring technology automatically adjusts for material wear, maintaining tight tolerances and reducing maintenance downtime in applications like optical positioning, laboratory automation, and medical devices. Made from durable Acetal Plastic, it resists chemicals and moisture while providing smooth operation with its rounded Acme thread and right-hand thread direction. With a 0.024" travel per turn and 5 lbs dynamic thrust capacity, it ensures precise motion control in environments demanding high accuracy and repeatability, making it ideal for B2B sectors such as aerospace, instrumentation, and precision manufacturing.

Specification Summary & Compliance

This nut features precise dimensions including a 1/2" length, 0.406" diameter, and 3/4" flange width, with mounting holes sized at 1/8" diameter and 39/64" center-to-center spacing. It adheres to Rounded Acme thread standards with a 9/64"-41.7 thread size and right-hand thread direction, ensuring compatibility with ultra-precision lead screws. Manufactured in accordance with industry practices for inch system components, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and sustainable use in technical applications.