S-1349K121 3/4"-5 x 1 1/2" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High load-bearing capability with a dynamic thrust capacity of 1450 lbs, ensuring reliable performance in demanding motion control applications.
• Durable PET plastic construction offers excellent wear resistance and maintenance-free operation, reducing long-term operational costs.
• Precision Class 2C thread fit provides smooth engagement with ACME lead screws, minimizing backlash and enhancing positioning accuracy.
• Consistent 0.2" travel per turn delivers predictable linear motion, ideal for repetitive automation and assembly processes.
• Wide temperature tolerance from 15° to 175°F, maintaining integrity in varied industrial environments without degradation.
• RoHS 3 and REACH compliance ensures environmental safety and meets global regulatory standards for hazardous substance restrictions.
• Right-hand threading design facilitates easy integration and standard operation in most mechanical systems.

Professional Applications & Engineering Value

This 3/4"-5 ACME plastic nut is engineered to address common challenges in precision motion systems, such as friction, corrosion, and maintenance downtime. The PET plastic material provides inherent lubricity and corrosion resistance, making it suitable for applications where metal nuts may fail due to environmental exposure or require frequent lubrication. With a Class 2C thread fit and right-hand thread direction, it ensures reliable, low-backlash performance in linear actuators, CNC machines, and conveyor systems. The 0.2" travel per turn offers consistent displacement control, critical in packaging, medical device manufacturing, and automated assembly lines where repeatability is paramount. By leveraging PET construction, this nut reduces weight and noise while offering a maintenance-free solution that extends equipment lifespan in industrial settings.

Specification Summary & Compliance

This ACME lead screw nut features a 3/4"-5 thread size with Class 2C thread fit per standard ACME specifications, ensuring dimensional accuracy and compatibility. It adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from restricted substances and safe for use in various industries. The nut is designed for a dynamic thrust load capacity of 1450 lbs and operates within a temperature range of 15° to 175°F, supporting reliable performance in controlled environments without additional certifications required.