S-98940A739 3/4"-10 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High-precision motion control with ±0.009" per foot accuracy ensures reliable positioning and repeatability in automated systems
• Exceptional durability and wear resistance from hardened 4140 alloy steel with Brinell 271 hardness for extended service life
• Superior load-bearing capacity with 125,000 psi tensile strength handles demanding industrial applications without deformation
• Left-hand threading capability provides reverse motion control solutions for specialized machinery configurations
• Consistent performance with Class 2C thread fit maintains proper engagement and smooth operation throughout the 3-foot length
• Corrosion-resistant protection through black-oxide surface treatment prolongs component life in various operating environments
• Environmental compliance assurance with RoHS 3 certification meets international regulatory standards for hazardous substances

Professional Applications & Engineering Value

This 3/4"-10 left-hand Acme lead screw delivers critical engineering solutions for precision motion control systems where accuracy and reliability are paramount. The Black-Oxide 4140 alloy steel construction, combined with hardening treatment, addresses common industrial challenges including wear resistance, dimensional stability, and longevity in continuous operation. With its 0.1" travel per turn and tight accuracy specifications, this fully threaded component excels in applications requiring precise linear motion conversion, such as CNC machinery, positioning tables, and automated manufacturing equipment. The left-hand Acme threading provides essential reverse motion capabilities for specialized industrial configurations, while the Class 2C thread fit ensures consistent performance and reduced backlash in demanding motion control environments.

Specification Summary & Compliance

This precision lead screw features 3/4"-10 Acme left-hand threading with Class 2C thread fit tolerance, ensuring proper engagement and operational consistency. The component maintains dimensional accuracy of ±0.009" per foot with a standardized 0.1" travel distance per turn. Manufactured from hardened 4140 alloy steel with Brinell 271 hardness and 125,000 psi tensile strength rating, this lead screw complies with RoHS 3 (2015/863/EU) environmental standards for hazardous substance restriction, making it suitable for global industrial applications requiring regulatory compliance.