S-99030A575 3/4"-8 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.009" per foot tolerance for reliable, repeatable motion control
• Durable 1018 carbon steel construction providing 64,000 psi tensile strength for heavy-duty applications
• Optimized Brinell 126 hardness delivering excellent wear resistance and extended service life
• Precise 0.125" travel per turn enabling controlled linear movement with 1:1 speed ratio efficiency
• Class 2C thread fit compatibility ensuring smooth operation with standard Acme nuts
• Left-hand thread configuration offering reverse motion capabilities for specialized machinery
• Fully threaded 6-foot length providing maximum flexibility for various installation requirements

Professional Applications & Engineering Value

This 3/4-8 left hand Acme lead screw delivers critical performance advantages in precision motion systems where reverse threading and exact positioning are essential. The 1018 carbon steel composition, combined with Acme threading and Class 2C fit, provides optimal durability against wear in continuous operation environments. Engineering teams specify this component for CNC machinery, automated positioning systems, and industrial actuators where the left-hand thread direction enables unique mechanical configurations and the ±0.009" per foot accuracy ensures consistent performance in metrology equipment and precision manufacturing applications. The fully threaded design allows for maximum adjustability across the entire 6-foot length, making it ideal for long-travel systems requiring reliable linear motion control.

Specification Summary & Compliance

This precision Acme lead screw features 3/4"-8 left-hand Acme threads with Class 2C thread fit per industry standards. The single-start thread design delivers 0.125" travel distance per revolution with ±0.009" per foot accuracy. Manufactured from 1018 carbon steel with Brinell 126 hardness and 64,000 psi tensile strength, this inch-system component meets rigorous industrial requirements for precision linear motion applications. The fully threaded, 6-foot length configuration ensures compatibility with standard Acme nut components and industrial motion systems.