S-98940A605 3/8"-8 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Precision: Achieve reliable motion control with ±0.009" per foot accuracy, ensuring consistent positioning in automated systems.
• High Load Capacity: With a tensile strength of 125,000 psi, this screw withstands heavy-duty industrial loads without deformation.
• Superior Durability: Hardened to Brinell 271 hardness and made from 4140 alloy steel, it resists wear and extends service life in high-stress environments.
• Optimized Motion Efficiency: The 0.125" travel per turn with a single-start ACME thread provides smooth, predictable linear movement.
• Corrosion Resistance: Black-oxide surface treatment protects against rust, reducing maintenance needs in harsh operating conditions.
• Broad Compatibility: Class 2C thread fit ensures easy assembly with standard ACME nuts, minimizing installation time and costs.
• Regulatory Compliance: Meets RoHS 3 standards, making it suitable for use in regulated industries and global markets.

Professional Applications & Engineering Value

This 3/8-8 ACME lead screw is engineered to solve critical challenges in precision motion control systems, such as CNC machinery, linear actuators, and automated positioning equipment. The Black-Oxide 4140 alloy steel construction, combined with hardening to Brinell 271 hardness, provides exceptional resistance to abrasion and fatigue, reducing downtime in continuous operation. The fully threaded design with a right-hand ACME thread and Class 2C fit ensures reliable engagement and minimal backlash, crucial for applications requiring repeatable accuracy. With a travel distance of 0.125" per turn and tight tolerance of ±0.009" per foot, it delivers consistent performance in demanding industrial settings, from manufacturing to packaging systems, enhancing overall productivity and equipment longevity.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards for ACME threads, ensuring precise dimensional accuracy and compatibility. It is manufactured from hardened 4140 alloy steel with a Black-Oxide finish for enhanced durability. The product complies with RoHS 3 (2015/863/EU) regulations, confirming its suitability for environmentally conscious and regulated applications. Key specifications include a 3/8"-8 thread size, single-start design, right-hand direction, and fully threaded component, providing reliable performance in inch-based measurement systems.