S-98940A755 1 1/2"-5 x 3 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 linear motion control.
• Superior strength and wear resistance from hardened 4140 alloy steel, rated for 125,000 psi tensile strength and Brinell 271 hardness in demanding applications.
• Enhanced corrosion protection provided by the black-oxide surface treatment, extending service life in industrial environments.
• Precision ACME thread form with Class 2C fit ensures smooth engagement with nuts and minimizes backlash for consistent performance.
• Left-hand thread design offers unique motion control solutions for specialized machinery requiring reverse-direction actuation.
• Fully threaded 3-foot length provides maximum flexibility for various mounting configurations and travel requirements.
• Compliance with RoHS 3 standards guarantees environmental responsibility and global market acceptance.

Professional Applications & Engineering Value

This precision ACME lead screw delivers critical performance in industrial automation, CNC machinery, and precision positioning systems where accuracy and durability are paramount. The hardened 4140 alloy steel construction withstands heavy loads and continuous operation, while the black-oxide finish provides essential corrosion resistance in harsh manufacturing environments. The left-hand ACME threading with Class 2C fit enables specialized applications requiring reverse-direction linear motion, working seamlessly with compatible nuts to minimize play and maintain precise alignment. With its ±0.009" per foot accuracy and fully threaded design, this component solves critical engineering challenges in motion control systems demanding reliable, long-term performance under substantial mechanical stress.

Specification Summary & Compliance

This 1 1/2"-5 ACME left-hand thread lead screw features Class 2C thread fit per industry standards, ensuring proper clearance and engagement with mating components. The manufacturing process maintains tight tolerances for travel distance accuracy (±0.009" per foot) with single-start threading and 1:1 speed ratio. The component is fully compliant with RoHS 3 (2015/863/EU) environmental regulations, meeting international standards for restricted substances while delivering reliable performance in precision industrial applications.