S-99015A250 3/8"-12 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 positioning accuracy with ±0.0003" per inch travel tolerance for highly repeatable motion control applications.
- Superior strength and durability from 4140 alloy steel construction, offering a high 95,000 psi tensile strength for demanding loads.
- Enhanced wear and corrosion resistance provided by the Black-Oxide surface treatment, extending service life in industrial environments.
- Design flexibility with bidirectional movement due to fully threaded right-hand and left-hand sections, each with 17" of usable length.
- Reliable power transmission with a 1:1 speed ratio and 0.083" travel per turn via the precision ACME thread form.
- Guaranteed interchangeability and fit ensured by the standardized Class 2C thread fit for consistent assembly and performance.
- Compliance with global environmental regulations, being RoHS 3 and REACH compliant for responsible sourcing and use.
Professional Applications & Engineering Value
This high-precision ACME lead screw is engineered to solve critical challenges in automation, CNC machinery, and linear motion systems. The Black-Oxide 4140 Alloy Steel construction provides the necessary hardness (Brinell 200) and tensile strength to withstand continuous operation without deformation, while the protective coating minimizes friction and resists corrosion. The Class 2C thread fit and ACME thread type ensure smooth, low-backlash power transmission, making it ideal for applications requiring precise linear movement and positioning, such as in 3D printers, medical devices, and assembly line equipment. Its dual right-hand and left-hand threading offers versatile actuation solutions in compact spaces, enhancing machine design efficiency.
Specification Summary & Compliance
This lead screw adheres to Class 2C thread fit standards for dimensional accuracy, with a 3/8"-12 ACME thread size and fully threaded design. It is manufactured from 4140 Alloy Steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free of hazardous substances and suitable for global industrial markets.
