S-98940A633 5/8"-8 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High tensile strength of 125,000 psi ensures reliable load-bearing capacity and resistance to deformation in demanding industrial applications.
• Black-oxide coating on 4140 alloy steel provides superior corrosion resistance and extended service life in harsh environments.
• Precision travel accuracy of ±0.009" per foot guarantees consistent positioning and repeatability for automated systems and CNC machinery.
• Hardened material with Brinell 271 hardness offers excellent wear resistance, reducing maintenance needs and downtime.
• Class 2C thread fit delivers smooth operation with minimal backlash, enhancing motion control efficiency.
• Fully threaded, right-hand Acme design allows for versatile installation and compatibility with standard nuts in linear motion setups.
• RoHS 3 compliance ensures environmental safety and adherence to global regulatory standards for hazardous substances.

Professional Applications & Engineering Value

This 5/8-8 ACME lead screw is engineered to address critical challenges in precision motion systems, such as minimizing positional errors and withstanding high-stress conditions. Constructed from hardened 4140 alloy steel with a black-oxide surface treatment, it combats corrosion and wear in industrial settings like CNC machining, 3D printing, and automated assembly lines. The Acme thread type and Class 2C thread fit provide low-friction, high-efficiency power transmission, reducing energy consumption and operational costs. With a travel distance of 0.125" per turn and tight accuracy tolerances, it ensures reliable performance in applications requiring exact linear positioning, from material handling to medical equipment, enhancing overall system longevity and productivity.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a Class 2C thread fit for precise thread engagement and dimensional consistency. It features a single thread start, right-hand direction, and fully threaded design for uniform motion control. Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances. The travel accuracy of ±0.009" per foot and mechanical properties like 125,000 psi tensile strength and Brinell 271 hardness validate its reliability for industrial use, supporting compliance with common engineering specifications for durability and safety.