S-98940A645 1"-6 x 3 ft. Precision Acme Lead Screws and Nuts
Precision Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- Exceptional dimensional stability with ±0.009" per foot accuracy for reliable, repeatable motion control in automated systems.
- Superior wear resistance and longevity from hardened 4140 alloy steel construction, maintaining precision under continuous operation.
- High load-bearing capacity with 125,000 psi tensile strength and Brinell 271 hardness for demanding industrial applications.
- Smooth, predictable motion transfer thanks to the single-start ACME thread design and Class 2C thread fit, reducing backlash.
- Corrosion-resistant black-oxide surface protects against environmental factors, extending service life in harsh conditions.
- Ready-to-integrate fully threaded design allows for flexible mounting and easy adaptation to various mechanical setups.
- Compliance with RoHS 3 regulations ensures environmental safety and meets international standards for industrial components.
Professional Applications & Engineering Value
This high-precision ACME lead screw is engineered to solve critical challenges in motion control systems, where accuracy and durability are paramount. The hardened 4140 alloy steel core, combined with a black-oxide finish, resists wear and corrosion, making it ideal for CNC machinery, linear actuators, and automated positioning systems. Its ACME thread with a Class 2C fit ensures minimal play and consistent performance, reducing maintenance downtime. With a tensile strength of 125,000 psi, it handles high loads without deformation, providing reliable operation in industrial settings such as packaging, material handling, and precision assembly lines.
Specification Summary & Compliance
This 1"-6 ACME lead screw features a Class 2C thread fit per industry standards, ensuring precise engagement with matching nuts. It is fully threaded with a right-hand direction and delivers a travel distance of 0.167" per turn. Manufactured from hardened 4140 alloy steel, it meets specified mechanical properties including Brinell 271 hardness. The product is RoHS 3 (2015/863/EU) compliant, adhering to environmental regulations for safe use in global markets.
