S-98980A345 3/8"-12 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Positioning Accuracy: Maintains tight tolerances of ±0.009" per foot for reliable, repeatable motion control in automated systems.
• High Tensile Strength & Durability: With a tensile strength of 72,000 psi, it resists stretching and breaking under heavy loads, ensuring long-term operational integrity.
• Corrosion-Resistant 304 Stainless Steel Construction: Ideal for harsh environments, this material provides excellent resistance to rust and chemical exposure, reducing maintenance needs.
• Optimized ACME Thread Design: The 3/8"-12 ACME thread with a Class 2C fit offers smooth power transmission and reduced wear, enhancing the lifespan of both the screw and mating nut.
• Consistent Performance with Brinell 150 Hardness: Provides a robust surface that resists deformation, maintaining thread geometry and accuracy over extended use.
• Precise Linear Motion per Revolution: Delivers a controlled 0.083" travel distance per turn, enabling fine adjustments and stable speed ratios for synchronized operations.
• Environmentally Compliant & Safe: Meets RoHS 3 standards, ensuring the lead screw is free from hazardous substances for use in regulated industries worldwide.

Professional Applications & Engineering Value

This high-precision ACME lead screw is engineered to solve critical challenges in precision motion control systems, where accuracy and reliability are non-negotiable. Constructed from 304 stainless steel, it excels in environments prone to moisture, chemicals, and temperature variations, preventing corrosion-induced failures that disrupt production. The ACME thread form and Class 2C thread fit ensure efficient load distribution and minimal backlash, making it ideal for applications like CNC machinery, linear actuators, and automated positioning tables. By delivering a consistent travel distance of 0.083" per turn with ±0.009" accuracy, it reduces calibration downtime and enhances operational efficiency in industries such as packaging, medical device manufacturing, and aerospace assembly.

Specification Summary & Compliance

This lead screw adheres to inch system measurements with a Class 2C thread fit for standard clearance applications. It features a 3/8"-12 ACME thread, right-hand direction, and is fully threaded along its 6-foot length. Manufacturing complies with industry standards for dimensional accuracy, including the specified travel tolerance. The product is RoHS 3 (2015/863/EU) Compliant, ensuring it meets stringent environmental regulations for hazardous substance restrictions.