S-98940A631 5/8"-10 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional accuracy with ±0.009" per foot tolerance ensures reliable, repeatable positioning in automated systems.
• Superior durability from hardened 4140 alloy steel construction resists wear and extends service life in demanding industrial environments.
• High tensile strength of 125,000 psi provides robust load-bearing capacity for heavy-duty motion control applications.
• Corrosion-resistant black-oxide finish enhances surface protection, reducing maintenance needs and increasing longevity.
• Precision ACME thread profile with Class 2C fit offers smooth, efficient power transmission and minimal backlash.
• Consistent 0.1" travel per turn delivers predictable linear motion, simplifying system design and control.
• RoHS 3 compliance ensures environmental responsibility and meets global regulatory standards for industrial components.

Professional Applications & Engineering Value

This 5/8"-10 ACME lead screw is engineered to solve critical challenges in precision motion control systems. The hardened 4140 alloy steel construction and Brinell 271 hardness provide exceptional resistance to mechanical wear and deformation under continuous operation, making it ideal for CNC machinery, automated positioning tables, and material handling equipment. The fully threaded, right-hand design with Class 2C thread fit ensures smooth engagement with matching nuts, minimizing vibration and energy loss. Its ±0.009" per foot accuracy guarantees precise linear movement, reducing positional errors in applications like 3D printing, medical devices, and industrial automation. The black-oxide surface treatment adds a layer of corrosion resistance, crucial for operations in humid or chemically exposed environments, while maintaining the lead screw's dimensional stability.

Specification Summary & Compliance

This ACME lead screw adheres to inch system standards with a 5/8"-10 thread size and Class 2C thread fit for consistent dimensional accuracy. It is manufactured from black-oxide 4140 alloy steel, heat-treated to achieve a tensile strength of 125,000 psi and Brinell 271 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it meets environmental safety requirements for industrial use.