S-6642K34 7/32"-20.8 x 1/2" Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Wear-compensating internal O-ring maintains consistent performance and extends service life by automatically adjusting for thread wear
• Acetal plastic construction provides excellent corrosion resistance, low friction operation, and lightweight durability for precision applications
• 5 lbs dynamic thrust load capacity ensures reliable performance in demanding motion control systems
• Integrated flange with dual mounting holes simplifies installation and provides secure mounting without additional hardware
• Rounded Acme thread profile delivers smooth, precise linear motion with minimal backlash
• RoHS 3 and REACH compliance guarantees environmental responsibility and regulatory adherence for global applications
• Right-hand single-start thread design offers predictable, consistent movement at 0.048" travel per revolution

Professional Applications & Engineering Value

This Acetal Plastic Flange Nut with wear-compensating O-ring technology addresses critical challenges in ultra-precision lead screw applications where consistent performance and minimal maintenance are paramount. The rounded Acme thread form (7/32"-20.8) combined with Acetal material properties delivers exceptional wear resistance and smooth operation, eliminating the need for lubrication in sensitive environments. The integrated flange design with mounting holes provides secure attachment while the internal O-ring automatically compensates for thread wear, maintaining precision alignment and reducing maintenance intervals in medical devices, laboratory equipment, and precision instrumentation where 5 lbs dynamic thrust capacity meets rigorous performance requirements.

Specification Summary & Compliance

Manufactured to inch system specifications with critical dimensions including 0.406" diameter, 1/2" length, and flange dimensions of 3/4" width × 13/32" height. Features right-hand single-start rounded Acme threads (7/32"-20.8) with 0.048" travel per turn. Mounting configuration includes two 1/8" diameter holes with 39/64" center-to-center spacing. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across regulated industries and international markets.