S-95365A621 3/8"-8 x 3/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Wear Resistance - Cast iron construction with Brinell 217 hardness ensures long service life in demanding industrial environments
• Precision Movement Control - 0.125" travel distance per turn provides accurate linear positioning for automated systems
• Reliable Left-Hand Threading - Reverse thread direction prevents unintended loosening in rotating applications where standard right-hand threads would back out
• Optimized Thread Engagement - Class 2C fit offers proper clearance for smooth operation while maintaining consistent performance
• Environmental Compliance Assurance - RoHS 3 and REACH compliance eliminates hazardous substance concerns in regulated industries
• Robust Mechanical Design - 1.344" diameter and 3/4" length provide substantial bearing surface for enhanced load distribution
• Single-Start Thread Efficiency - 1:1 speed ratio delivers predictable, consistent linear motion without complexity

Professional Applications & Engineering Value

This left-hand Acme thread nut addresses critical engineering challenges in industrial motion control systems where reverse threading is essential for safety and functionality. The cast iron construction provides superior durability against wear in high-cycle applications, while the Acme thread form offers excellent load-bearing capacity compared to standard V-threads. The Class 2C thread fit ensures optimal clearance for smooth operation without sacrificing precision, making it ideal for applications requiring consistent 0.125" travel per turn. This component excels in machinery requiring counter-rotational security, such as clamping devices, precision positioning systems, and equipment where right-hand thread reversal could cause operational hazards. The round nut design facilitates easy installation and maintenance in confined spaces common to industrial automation environments.

Specification Summary & Compliance

This precision Acme lead screw nut features 3/8"-8 left-hand threading with Class 2C thread fit per industry standards, ensuring proper operational clearance. The component maintains dimensional accuracy with 1.344" diameter, 3/4" length, and single-start thread configuration. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to the latest substance restriction requirements for industrial components. The Brinell 217 hardness rating validates material integrity for sustained performance in mechanical power transmission systems.