S-6641K9 3/8"-8 x 1" Corrosion-Resistant Ball Screws and Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 17-4 PH Stainless Steel construction, ideal for harsh industrial environments and extended service life
• Precise linear motion control with 0.125" travel per turn, ensuring accurate positioning and repeatability in automated systems
• High load-bearing capability supporting 25 lbs dynamic thrust capacity for reliable performance under operational stress
• Minimized operational play with maximum backlash of 0.007", enhancing system accuracy and reducing wear
• Exceptional durability from Rockwell C38 hardness, maintaining structural integrity and thread form under continuous use
• Broad thermal compatibility operating from -65° to 300° F, suitable for applications with significant temperature fluctuations
• Standardized external threading with 0.664"-32 UNS right-hand threads for easy integration and replacement in existing assemblies

Professional Applications & Engineering Value

This 3/4"-8 ball screw nut is engineered to address critical challenges in precision motion systems where corrosion resistance, accuracy, and reliability are paramount. The 17-4 PH Stainless Steel material provides excellent resistance to rust and chemical exposure, making it ideal for CNC machinery, medical equipment, and aerospace actuators operating in demanding conditions. Its ball thread design and 0.125" travel per turn ensure smooth, efficient motion transfer with minimal friction, reducing energy consumption and maintenance needs. The externally threaded nut with 0.664"-32 UNS threads allows for straightforward mounting and alignment, while the 25 lbs dynamic thrust capacity supports consistent performance in high-precision industrial automation and robotics applications.

Specification Summary & Compliance

This ball nut features a 3/4"-8 ball thread with Class 2A tolerance and 0.664"-32 UNS external threads in a right-hand direction. Manufactured from 17-4 PH Stainless Steel hardened to Rockwell C38, it ensures dimensional stability and wear resistance. The component adheres to standard UN thread specifications and is RoHS 3 (2015/863/EU) compliant, meeting environmental and safety regulations for industrial use.