S-98940A024 5/8"-10 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Positioning Accuracy: Maintains tight ±0.009" per foot travel tolerance for highly repeatable and precise linear motion control.
• Superior Durability & Strength: Constructed from hardened 4140 alloy steel with a 125,000 psi tensile strength and Brinell 271 hardness to withstand high loads and resist wear in demanding applications.
• Enhanced Corrosion Resistance: The Black-Oxide surface treatment provides a protective layer, increasing service life in various industrial environments.
• Optimized Power Transmission: The single-start Acme thread with a 0.1" travel per turn ensures efficient, smooth, and reliable force transfer with minimal backlash.
• Broad Compatibility & Ease of Assembly: Features a standard Class 2C thread fit and is fully threaded, offering excellent interchangeability and straightforward integration with matching nuts.
• Compliance with Environmental Standards: Meets RoHS 3 (2015/863/EU) requirements, ensuring the product is free of hazardous substances for use in regulated markets.

Professional Applications & Engineering Value

This high-precision Acme lead screw is engineered to solve critical challenges in linear motion systems where accuracy, durability, and consistent performance are non-negotiable. The core of its value lies in the combination of hardened 4140 alloy steel and the Black-Oxide finish, which together combat wear, fatigue, and corrosion, significantly extending component life in repetitive, high-stress operations. The 5/8"-10 Acme thread with its precise ±0.009" per foot accuracy ensures that machinery such as CNC positioning tables, automated actuators, and precision lifting equipment operates with minimal positional error and high repeatability. Its right-hand, single-start design provides predictable and controlled movement, making it an indispensable component for engineers designing reliable and long-lasting industrial automation and motion control solutions.

Specification Summary & Compliance

This lead screw adheres to the inch system with a Thread Size of 5/8"-10 and a Class 2C thread fit, ensuring standard-compliant dimensional accuracy and assembly. The Acme thread type is fully threaded with a right-hand direction and delivers a consistent travel distance of 0.1" per turn. Manufactured from hardened 4140 alloy steel, it meets critical mechanical properties including a tensile strength of 125,000 psi and a hardness of Brinell 271. The product is confirmed to be RoHS 3 (2015/863/EU) Compliant, aligning with environmental regulations for hazardous substance restrictions.