S-98980A307 1 1/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Travel Accuracy: Maintains ±0.009" per foot precision for reliable, repeatable linear motion in automated systems.
• Superior Corrosion Resistance: Constructed from 304 Stainless Steel to withstand harsh industrial environments and reduce maintenance needs.
• High Load-Bearing Capacity: With a 72,000 psi tensile strength and Brinell 150 hardness, it delivers robust performance under significant mechanical stress.
• Optimized for Reverse Motion Applications: The left-hand Acme threading provides precise control in assemblies requiring counter-clockwise advancement.
• Guaranteed Thread Compatibility: The Class 2C thread fit ensures consistent, free-running assembly with standard nuts, minimizing binding.
• Regulatory Compliance: Meets RoHS 3 (2015/863/EU) standards, ensuring environmental safety for global supply chains.
• Consistent Drive Performance: Delivers a reliable 0.2" travel distance per turn with a 1:1 speed ratio for predictable linear actuation.

Professional Applications & Engineering Value

This precision Acme lead screw is engineered to solve critical challenges in linear motion systems where accuracy and durability are paramount. The use of 304 Stainless Steel provides excellent corrosion resistance, making it ideal for food processing, medical equipment, and outdoor machinery exposed to moisture. The left-hand Acme thread is specifically designed for applications requiring reverse-direction linear movement, such as clamping mechanisms or adjustable fixtures. With a tensile strength of 72,000 psi and Brinell 150 hardness, it handles high axial loads without deformation, ensuring long-term operational reliability. The fully threaded, 3-foot length offers flexibility in design, allowing for custom positioning in CNC machines, conveyor systems, and precision actuators. Its ±0.009" per foot travel accuracy minimizes positional errors, enhancing the efficiency of automated processes and reducing downtime for recalibration.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards, providing a free-running tolerance for smooth engagement with mating nuts. The Acme thread type with a size of 1 1/4"-5 and single thread start ensures consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) regulations, guaranteeing the absence of hazardous substances. Manufactured to deliver a precise 0.2" travel distance per turn with an accuracy of ±0.009" per foot, it meets rigorous industrial requirements for dimensional stability and repeatability in inch-based measurement systems.