S-98980A225 3/8"-16 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 304 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional positional accuracy with a travel distance tolerance of ±0.009" per foot, ensuring reliable and repeatable linear motion.
• High mechanical strength and durability from a 72,000 psi tensile strength and Brinell 150 hardness, capable of withstanding significant loads.
• Smooth and predictable linear drive provided by the Acme thread form and a 0.063" travel per turn, offering precise control in automated systems.
• Reliable left-hand thread engagement with a Class 2C fit, designed for applications requiring reverse or counter-directional movement.
• Immediate and full-length power transmission due to its fully threaded, single-start design, ensuring consistent force application along the entire 3-foot length.
• Compliance with strict environmental regulations as a RoHS 3 compliant component, making it suitable for global markets and sensitive applications.

Professional Applications & Engineering Value

This 3/8"-16 left hand Acme lead screw is engineered to solve critical challenges in precision linear motion systems. The combination of 304 Stainless Steel and the robust Acme thread type provides excellent wear resistance and load-bearing capacity, reducing maintenance frequency in demanding applications like CNC machinery, precision positioning stages, and automated assembly lines. The left-hand thread direction is specifically valuable for creating opposing motions or in systems where standard right-hand threads would cause interference. Its high tensile strength and consistent travel distance per turn ensure that it delivers reliable, backlash-resistant performance, making it an indispensable component for engineers designing for long-term reliability and accuracy.

Specification Summary & Compliance

This lead screw adheres to inch system standards with a Thread Size of 3/8"-16 and a Class 2C thread fit, ensuring proper clearance and functional reliability. It is manufactured as a fully threaded component with a single thread start and a speed ratio of 1:1. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant, meeting stringent environmental directives for hazardous substance restrictions.