S-98940A423 1 1/4"-4 x 6 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 precision with ±0.009" per foot travel accuracy for reliable, repeatable linear motion control.
- Superior durability from hardened 4140 alloy steel construction, resisting wear in demanding industrial applications.
- Enhanced corrosion resistance provided by the black-oxide surface treatment, extending service life.
- High load-bearing capacity with a tensile strength of 125,000 psi and Brinell 271 hardness for robust performance.
- Reliable left-hand thread engagement with Class 2C fit, ensuring consistent performance in specialized motion systems.
- Full 6-foot length and fully threaded design offers installation flexibility and continuous drive capability.
- Compliance with RoHS 3 ensures environmental responsibility and meets international regulatory standards.
Professional Applications & Engineering Value
This precision ACME lead screw is engineered to solve critical challenges in industrial automation and motion control systems. The Black-Oxide 4140 Alloy Steel construction, combined with a hardening treatment, provides exceptional resistance to abrasion and mechanical stress, significantly reducing maintenance frequency and downtime. The left-hand Acme threading and Class 2C thread fit deliver predictable, backlash-resistant motion, which is vital for applications requiring precise positioning and synchronization, such as in CNC machinery, lifting equipment, and precision actuators. Its high tensile strength and consistent ±0.009" per foot accuracy make it a dependable component for engineers designing systems where reliability and precision are non-negotiable.
Specification Summary & Compliance
This lead screw adheres to Acme thread standards with a size of 1 1/4"-4 and a Class 2C thread fit for consistent performance. It is manufactured from hardened 4140 Alloy Steel with a black-oxide finish, providing a travel distance of 0.25" per turn. The component is fully compliant with RoHS 3 (2015/863/EU) regulations, ensuring it meets stringent environmental and safety standards for global industrial use.
