S-94815A125 2 1/4"-4 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Consistent 0.25" linear travel per revolution for precise positioning and repeatable motion control in automated systems.
• Robust carbon steel construction with Rockwell B75 hardness ensures excellent durability and resistance to wear in demanding industrial environments.
• Class 2G thread fit provides optimal clearance for smooth operation and reduced binding with mating ACME lead screws.
• Standard hex nut design allows for easy installation and removal using common wrenches, simplifying maintenance.
• Single thread start and right-hand direction offer straightforward, predictable motion for standard mechanical drive applications.
• Compliance with RoHS 3 and REACH regulations guarantees the component is free from hazardous substances, supporting global supply chain requirements.
• Generous 2 1/2" height and 3 1/2" width provide a stable footprint and enhanced load-bearing surface area.

Professional Applications & Engineering Value

This 2 1/4"-4 ACME hex nut is engineered to solve critical challenges in linear motion systems, such as minimizing backlash and ensuring reliable force transmission. The carbon steel material, heat-treated to a Rockwell B75 hardness, provides the necessary strength to withstand continuous operation in industrial automation, CNC machinery, and heavy-duty actuators. Its ACME thread form and Class 2G fit are specifically chosen to offer a balance between ease of assembly and operational smoothness, reducing the risk of jamming and wear over time. This makes it an indispensable lead screw component for engineers seeking long-term reliability and precision in mechanical drives and positioning systems.

Specification Summary & Compliance

This component features a 2 1/4"-4 ACME thread with a Class 2G thread fit per standard inch-based threading conventions, ensuring dimensional accuracy and interchangeability. The manufacturing adheres to industry standards for Acme lead screws and nuts. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated markets.