S-99030A978 1/4"-12 x 18" Fast-Travel Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Fast-travel efficiency with 4 thread starts and 0.333" travel per turn for rapid linear motion in industrial automation systems
• Enhanced precision control with ±0.009" per foot accuracy for reliable positioning in motion-critical applications
• Durable 1018 carbon steel construction providing excellent strength and wear resistance for long service life
• Optimized ACME thread profile with Class 2C fit ensuring smooth operation and reduced backlash in power transmission
• Full 18-inch threading offering maximum engagement flexibility for various mounting configurations
• Right-hand thread design compatible with standard industrial components and drive systems
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 4-start ACME lead screw delivers exceptional performance in precision motion control systems where speed and accuracy are paramount. The 1018 carbon steel construction provides the necessary durability for continuous operation in industrial automation, CNC machinery, and positioning equipment. The unique 4-start thread configuration enables faster linear movement compared to single-start screws, significantly reducing cycle times in high-speed applications. With 0.333" travel distance per turn and tight ±0.009" per foot accuracy, this component solves critical engineering challenges in applications requiring rapid yet precise linear motion, from 3D printers and medical devices to packaging machinery and automated assembly systems.

Specification Summary & Compliance

This precision ACME lead screw features a 1/4"-12 thread size with Class 2C thread fit per industry standards, ensuring proper clearance and smooth operation. The fully threaded 18-inch length provides versatile mounting options while maintaining dimensional consistency. The component is manufactured to deliver 0.333" travel distance per turn with ±0.009" per foot accuracy for reliable performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and suitability for various industrial sectors.