S-98948A131 2"-4 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance – Zinc plating on carbon steel provides reliable protection against rust and wear in demanding industrial environments.
• Precision Thread Engagement – Class 2G thread fit ensures consistent, smooth mating with ACME lead screws, reducing backlash and improving positioning accuracy.
• Optimized Linear Motion Efficiency – 0.25" travel per turn allows for predictable and controlled linear movement, ideal for repetitive positioning tasks.
• Robust Mechanical Strength – Rockwell B75 hardness offers excellent resistance to deformation under load, maintaining thread integrity over extended use.
• Easy Installation and Maintenance – Standard hex nut design enables straightforward wrenching and secure fastening without specialized tools.
• Single-Start Thread Reliability – One thread start provides stable, consistent motion transfer, minimizing complexity in assembly and operation.
• Compliance with Environmental Standards – Meets RoHS 3 and REACH regulations, ensuring safe use in global markets and eco-conscious industries.

Professional Applications & Engineering Value

This 2"-4 ACME hex nut with Class 2G thread fit is engineered to address critical needs in precision linear motion systems. The zinc plated carbon steel construction delivers superior corrosion resistance, extending service life in harsh conditions like manufacturing plants and automation equipment. Its Acme thread type and right-hand thread direction provide high torque resistance and reliable power transmission, reducing the risk of stripping under repetitive loads. With a 0.25" travel per turn, it ensures accurate and repeatable linear displacement, making it ideal for applications such as CNC machinery, lifting mechanisms, and conveyor systems where precise control is essential. The single thread start design simplifies synchronization, while the Rockwell B75 hardness guarantees long-term performance without compromising thread form.

Specification Summary & Compliance

This nut features a 2"-4 ACME thread size with Class 2G thread fit for precise dimensional accuracy and smooth operation. It adheres to standard manufacturing practices for Acme lead screws and nuts, ensuring compatibility with industry components. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for environmental and health standards in industrial use.