S-98940A735 3/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with 125,000 psi tensile strength for reliable performance in demanding industrial environments.
• Superior wear resistance and corrosion protection from Black-Oxide 4140 Alloy Steel and hardening treatment, extending service life.
• High-precision linear motion control with ±0.009" per ft accuracy and 0.2" travel per turn for consistent, repeatable positioning.
• Optimized thread engagement through Class 2C fit and single-start Acme design, reducing backlash and ensuring smooth operation.
• Left-hand threading capability for specialized applications requiring reverse motion or unique assembly configurations.
• Full-length threading provides continuous drive along the entire 3 ft length, offering flexibility in mounting and actuation setups.
• Compliance with environmental standards via RoHS 3, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

This precision Acme lead screw is engineered to address critical challenges in linear motion systems, where accuracy, durability, and repeatability are paramount. The Black-Oxide 4140 Alloy Steel construction, combined with hardening, resists wear and corrosion in harsh conditions, minimizing maintenance downtime. With a Class 2C thread fit and left-hand Acme threading, it delivers reliable torque transmission and precise travel distance per turn of 0.2", ideal for applications like CNC machinery, automated positioning tables, and clamping devices. Its fully threaded, single-start design ensures consistent performance across the entire 3 ft length, supporting stable operations in industrial automation and motion control setups where misalignment or slippage can lead to costly errors.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards for Acme threads, ensuring dimensional accuracy and compatibility with matched nuts. It features a travel distance per turn of 0.2" with an accuracy of ±0.009" per ft, supporting precise linear motion requirements. Manufactured from hardened Black-Oxide 4140 Alloy Steel, it meets industry specifications for strength and durability. The product is RoHS 3 (2015/863/EU) Compliant, confirming adherence to environmental regulations for hazardous substance restrictions.