S-98940A651 1 1/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability and Wear Resistance through hardened 4140 alloy steel construction with Brinell 271 hardness, extending service life in high-stress operations.
• Superior Precision in Motion Control with ±0.009" per foot travel accuracy, ensuring reliable positioning for automated systems.
• High Tensile Strength of 125,000 psi provides robust load-bearing capacity, minimizing risk of failure under heavy loads.
• Corrosion-Resistant Black-Oxide Surface protects against environmental factors, reducing maintenance needs in harsh industrial settings.
• Consistent Thread Engagement with Class 2C thread fit and fully threaded ACME design, offering smooth, backlash-free operation.
• Compliance with RoHS 3 Standards ensures environmental safety and meets global regulatory requirements for industrial components.
• Optimized for Right-Hand Threading and Single-Start Design simplifies integration and provides predictable, linear motion in inch-based systems.

Professional Applications & Engineering Value

This Black-Oxide 4140 Alloy Steel ACME lead screw is engineered to address critical challenges in precision motion control and heavy-duty automation. The hardened material and ACME thread type deliver exceptional resistance to wear and deformation, making it ideal for CNC machinery, linear actuators, and industrial positioning systems where repeatability is paramount. Its Class 2C thread fit ensures minimal play and consistent torque transmission, reducing vibration and enhancing operational stability. The fully threaded, right-hand design with a 0.2" travel per turn provides efficient linear motion, while the corrosion-resistant coating extends lifespan in demanding environments such as manufacturing and packaging equipment. By combining high tensile strength with precise travel accuracy, this screw minimizes downtime and maintenance costs, offering reliable performance for B2B engineering applications.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards, ensuring dimensional accuracy and compatibility with corresponding nuts. Manufactured from hardened 4140 alloy steel with a Brinell hardness of 271, it meets precise engineering tolerances, including a travel distance of 0.2" per turn and an accuracy of ±0.009" per foot. The product is fully compliant with RoHS 3 (2015/863/EU) regulations, confirming its suitability for use in environmentally conscious industries without hazardous substances.