S-98940A615 3/8"-12 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior wear resistance from hardened 4140 alloy steel construction with Brinell 271 hardness for extended service life in demanding industrial environments.
• Exceptional motion control accuracy with ±0.009" per foot travel distance tolerance, ensuring reliable and repeatable positioning.
• High load-bearing capacity supported by a 125,000 psi tensile strength, ideal for applications requiring robust power transmission.
• Smooth, predictable linear motion from the precision ACME thread form with a 0.083" travel distance per turn and Class 2C thread fit.
• Enhanced corrosion protection provided by the black-oxide surface treatment, increasing durability in various operating conditions.
• Broad compatibility and easy integration with standard inch-system components due to the single-start, right-hand, fully threaded design.
• Compliance with environmental regulations through RoHS 3 (2015/863/EU) conformity, meeting global supply chain requirements.

Professional Applications & Engineering Value

This high-precision ACME lead screw is engineered to solve critical challenges in motion control systems where accuracy, durability, and load capacity are paramount. Manufactured from hardened 4140 alloy steel with a black-oxide finish, it resists wear and corrosion, making it ideal for CNC machinery, automated assembly lines, and precision lifting equipment. The Class 2C thread fit and single-start ACME threading ensure minimal backlash and consistent performance, while the specified travel accuracy per foot guarantees precise linear movement. Its fully threaded, right-hand design provides versatile mounting and driving options, delivering reliable industrial lead screw performance in rigorous applications.

Specification Summary & Compliance

This lead screw adheres to inch system standards with a 3/8"-12 ACME thread size and Class 2C thread fit for precise engagement. It features a travel distance of 0.083" per turn with an accuracy of ±0.009" per foot. The component is fully threaded, right-hand, and single-start. Manufacturing complies with material and performance specifications for hardened 4140 alloy steel, achieving a tensile strength of 125,000 psi and Brinell 271 hardness. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets stringent environmental and safety regulations.