S-99030A477 3/4"-16 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.009" per foot tolerance ensures reliable, repeatable motion control in automated systems.
• High tensile strength (64,000 psi) provides robust load-bearing capacity and resistance to deformation under heavy operational stresses.
• Durable 1018 Carbon Steel construction with Brinell 126 hardness offers excellent wear resistance and long service life in industrial environments.
• Left-hand Acme threading with Class 2C fit enables precise reverse-motion applications and secure engagement with matching nuts.
• Optimized 0.063" travel per turn delivers controlled linear motion ideal for fine-adjustment mechanisms and positioning systems.
• Fully threaded 3-foot length provides maximum flexibility for various installation configurations and long-travel applications.
• Single-start thread design ensures consistent performance and simplified synchronization in motion control assemblies.

Professional Applications & Engineering Value

This precision Acme lead screw solves critical engineering challenges in industrial automation and motion control systems. The 1018 Carbon Steel construction combined with Brinell 126 hardness provides exceptional durability against wear in continuous operation environments. The left-hand Acme threading with Class 2C thread fit ensures precise reverse motion capabilities where standard right-hand threads would be insufficient. With its ±0.009" per foot accuracy and consistent 0.063" travel per turn, this component delivers reliable positioning in CNC equipment, lifting mechanisms, and precision manufacturing systems where backlash minimization and repeatable movement are paramount. The fully threaded design across the 3-foot length allows for versatile integration into various mechanical assemblies requiring controlled linear motion.

Specification Summary & Compliance

This 3/4"-16 Acme lead screw maintains Class 2C thread fit tolerances as per industry standards, ensuring proper engagement with matching Acme nuts. The component features single-start Acme threading with left-hand direction and delivers 0.063" travel distance per turn with ±0.009" per foot accuracy. Manufactured from 1018 Carbon Steel with 64,000 psi tensile strength and Brinell 126 hardness, this inch-system component is produced to meet industrial motion control requirements and is compatible with standard Acme nut configurations.