S-98940A601 1/4"-12 x 3 ft. Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Fast-travel efficiency with 0.333" travel per turn and 4:1 speed ratio for rapid linear motion in industrial automation systems
• Exceptional precision with ±0.009" per ft accuracy for reliable positioning in demanding CNC and motion control applications
• Superior durability through hardened 4140 alloy steel construction with Brinell 271 hardness for extended service life under heavy loads
• High-load capacity with 125,000 psi tensile strength to withstand substantial mechanical stress in industrial environments
• Enhanced corrosion resistance from black-oxide surface treatment protecting against industrial contaminants and moisture
• Precision thread engagement with Class 2C thread fit ensuring smooth operation and reduced backlash in precision assemblies
• Environmental compliance with RoHS 3 (2015/863/EU) standards for use in regulated industrial applications worldwide

Professional Applications & Engineering Value

This 4-start ACME lead screw delivers exceptional engineering value in high-performance motion systems where speed and precision are critical. The Black-Oxide 4140 alloy steel construction provides superior wear resistance and durability, while the hardened treatment ensures consistent performance under repetitive loading cycles. The fully threaded design with right-hand thread direction and Class 2C thread fit offers smooth, reliable operation in CNC machinery, 3D printers, and automated positioning systems. The four thread starts enable rapid linear movement without sacrificing accuracy, making it ideal for applications requiring both speed and precision. This precision lead screw solves common industrial challenges of wear, backlash, and positioning errors in demanding manufacturing environments.

Specification Summary & Compliance

This 1/4"-12 ACME lead screw features precise Class 2C thread fit tolerances and maintains exceptional accuracy of ±0.009" per foot throughout its 3-foot length. Manufactured to industry-standard specifications for ACME thread forms, the component delivers reliable performance in precision motion applications. The product is RoHS 3 (2015/863/EU) compliant, ensuring environmental responsibility while meeting the rigorous demands of industrial automation, CNC equipment, and precision positioning systems requiring fast-travel capabilities with maintained accuracy.