S-6642K47 3/16"-42.7 x 18" Fast-Travel Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional positioning accuracy with ±0.0006" per inch tolerance for highly repeatable motion control in precision assemblies.
• Fast linear travel of 0.375" per revolution enables rapid movement and increased throughput in automated systems.
• High tensile strength (90,000 psi) and Brinell 160 hardness provide reliable load-bearing capacity and resistance to wear in demanding applications.
• Optimized 16:1 speed ratio and 16 thread starts deliver efficient power transmission and smooth operation with reduced backlash.
• Superior corrosion resistance from 303 Stainless Steel construction ensures long-term performance in harsh industrial environments.
• Rounded Acme thread profile offers smoother engagement and reduced friction compared to square threads, enhancing service life.
• Full regulatory compliance with RoHS 3 and REACH standards guarantees safety and environmental responsibility for global supply chains.

Professional Applications & Engineering Value

This ultra-precision lead screw is engineered for applications where minute positional errors are unacceptable, such as in CNC machining, optical positioning systems, and laboratory automation. The 303 Stainless Steel material provides excellent machinability and corrosion resistance, crucial for maintaining precision in environments with potential contaminants or humidity. The rounded Acme thread design minimizes wear and distributes load evenly, addressing common failure points in high-cycle applications. With a 16:1 speed ratio and 0.375" travel per turn, it delivers both speed and precision, eliminating the need for compromise in motion control systems. This component solves critical engineering challenges by combining fast-travel capability with ±0.0006" accuracy, making it ideal for industries requiring both rapid movement and microscopic precision.

Specification Summary & Compliance

This fully threaded, right-hand 3/16"-42.7 lead screw features Rounded Acme threading with precision Class 2A equivalent tolerances. The 18" length component delivers consistent 0.375" travel distance per turn with maintained ±0.0006" accuracy. Manufactured from 303 Stainless Steel with 90,000 psi tensile strength and Brinell 160 hardness, it meets industrial standards for precision power transmission. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for international industrial applications.