S-98980A983 3/4"-8 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced positioning accuracy with ±0.009" per foot tolerance for reliable, repeatable motion control in automated systems.
• Fast linear travel of 0.5" per revolution enabled by 4 thread starts, significantly reducing cycle times in high-speed applications.
• Superior durability and corrosion resistance from 304 stainless steel construction, ideal for harsh industrial environments and washdowns.
• Optimized power transmission with a 4:1 speed ratio and Acme thread profile for efficient torque conversion and reduced wear.
• Consistent, reliable engagement ensured by Class 2C thread fit, minimizing backlash and maintaining precision over long service life.
• Full-length thread availability across the 3-foot length provides design flexibility for various travel and mounting requirements.
• Environmental and regulatory compliance with RoHS 3 standards, ensuring safe use in regulated industries worldwide.

Professional Applications & Engineering Value

This 3/4"-8 ACME lead screw is engineered to solve critical challenges in precision motion control systems where speed, accuracy, and reliability are paramount. The 304 stainless steel material provides excellent corrosion resistance, making it suitable for food processing, packaging, medical, and CNC machinery exposed to moisture or chemicals. The 4 thread starts and 0.5" travel per turn deliver rapid linear movement, drastically improving throughput in automation and positioning applications. The fully threaded, right-hand design with Class 2C thread fit ensures smooth, low-friction operation with minimal backlash, enhancing the lifespan of mating nuts and reducing maintenance downtime. This component is ideal for engineers seeking a fast-travel, precision-grade solution that maintains ±0.009" per ft. accuracy under continuous use.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a 3/4"-8 ACME thread size and Class 2C thread fit for consistent dimensional accuracy. It is manufactured to deliver a precise travel distance of 0.5" per turn with an accuracy of ±0.009" per foot. The component is fully threaded and features a right-hand thread direction with 4 starts and a 4:1 speed ratio. Compliance with RoHS 3 (2015/863/EU) is confirmed, ensuring it meets stringent environmental and safety standards for industrial use.