S-6642K67 3/16"-42.7 x 1/2" Fast-Travel Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Extended service life with wear-compensating internal O-ring that maintains consistent performance and reduces maintenance downtime
• Fast, precise positioning with 0.375" travel per turn and 16:1 speed ratio for rapid motion control applications
• Lightweight, corrosion-resistant operation using durable Acetal Plastic construction ideal for harsh industrial environments
• Secure mounting integration featuring two 1/8" mounting holes with 39/64" center-to-center spacing for stable installation
• Smooth, reliable motion transmission through rounded Acme right-hand threads that minimize backlash and ensure consistent engagement
• Industrial compliance assurance with RoHS 3 and REACH compliance meeting stringent environmental and safety standards
• Optimized for precision systems delivering 5 lbs dynamic thrust load capacity for demanding ultra-precision applications

Professional Applications & Engineering Value

This Acetal Plastic Flange Nut with rounded Acme threads solves critical engineering challenges in fast-travel ultra-precision lead screw systems. The wear-compensating internal O-ring technology addresses common issues of thread wear and positional drift in high-cycle applications, maintaining 0.375" travel per turn accuracy throughout the component's lifespan. The 16:1 speed ratio enables rapid positioning in precision motion control equipment while the Acetal material provides inherent lubrication properties, eliminating the need for external lubricants that can contaminate clean manufacturing environments. With 5 lbs dynamic thrust load capacity, this flange nut delivers reliable performance in laboratory automation, medical devices, and optical positioning systems where consistent, repeatable motion is paramount.

Specification Summary & Compliance

This 3/16"-42.7 thread flange nut maintains precision rounded Acme thread specifications with right-hand direction and 16 thread starts. The component features a 0.406" diameter with 1/2" length and flange dimensions of 3/4" width × 13/32" height × 1/8" thickness. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring suitability for global industrial applications requiring restricted substance control.