S-98948A132 2 1/4"-4 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability – Zinc plated carbon steel construction provides excellent corrosion resistance for extended service life in demanding environments.
• Precise Linear Motion – 0.25" travel distance per turn ensures accurate and repeatable positioning for industrial automation and machinery.
• Superior Thread Engagement – Class 2G thread fit offers reliable, slop-free performance and reduces wear in high-usage applications.
• Robust Mechanical Strength – Rockwell B75 hardness delivers dependable load-bearing capability and resistance to deformation under stress.
• Easy Installation & Maintenance – Standard hex nut design allows for straightforward wrenching and secure assembly in confined spaces.
• Regulatory Compliance Assurance – Meets RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• Optimized for Right-Hand Drive Systems – Right-hand thread direction with a 1:1 speed ratio provides seamless integration into common mechanical drives.

Professional Applications & Engineering Value

This ACME hex nut is engineered for precision linear motion systems where reliability and accuracy are paramount. Manufactured from zinc plated carbon steel, it combats corrosion in industrial settings such as CNC machinery, material handling equipment, and heavy-duty actuators. The Class 2G thread fit minimizes backlash, ensuring smooth operation and prolonged component life by maintaining tight tolerances under dynamic loads. With a single thread start and 0.25" travel per turn, it delivers consistent, predictable movement—critical for applications requiring exact positioning. Its right-hand thread and standard 2 1/4"-4 ACME thread make it a versatile choice for engineers seeking durable, compliant components that meet rigorous industry standards.

Specification Summary & Compliance

This component features a 2 1/4"-4 ACME thread with Class 2G thread fit for precise dimensional accuracy. It is manufactured from carbon steel with zinc plating and achieves a hardness of Rockwell B75. The nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety protocols. With standard right-hand threading and a 1:1 speed ratio, it is suitable for integration into systems requiring reliable, repeatable linear motion.