S-6641K1 3/8"-8 x 2 ft. 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 environments and reducing replacement frequency.
• Exceptional positioning accuracy of ±0.004" per foot ensures reliable and repeatable motion control in precision applications.
• High load capacity and durability from a 145,000 psi tensile strength and Rockwell C38 hardness, providing long service life under heavy loads.
• Optimized for efficient linear motion delivering 0.125" of travel per turn, enabling precise and rapid positioning.
• Reliable performance across extreme temperatures, operating from -65° to 300° F without degradation.
• Smooth and consistent operation due to the rolled thread fabrication, which enhances surface finish and fatigue life.
• Compliance with environmental standards as a RoHS 3 compliant component, meeting strict regulatory requirements.

Professional Applications & Engineering Value

This 3/8"-8 Ball Screw is engineered to solve critical challenges in high-precision and demanding industrial environments. Manufactured from 17-4 PH Stainless Steel, it offers excellent resistance to corrosion and oxidation, making it ideal for use in medical devices, aerospace actuators, and automated manufacturing systems where exposure to moisture or chemicals is a concern. The rolled thread fabrication and single-start, right-hand thread design ensure smooth, low-friction motion and high positional accuracy, minimizing backlash and wear over time. Its ability to maintain ±0.004" accuracy per foot and operate in a wide temperature range from -65° to 300° F provides engineers with a reliable component for applications requiring consistent performance under thermal stress and precise linear movement, reducing downtime and maintenance costs.

Specification Summary & Compliance

This ball screw features a 3/8"-8 thread size with a 0.3" root diameter and 0.125" travel distance per turn. It is fully threaded with a right-hand thread direction and single start configuration. The component meets standard dimensional tolerances for inch-system ball screws and is manufactured using rolled thread processes for enhanced strength. It is RoHS 3 (2015/863/EU) Compliant, ensuring adherence to environmental regulations for hazardous substances.