S-6642K16 7/32"-20.8 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 reliable, repeatable motion control in critical applications.
• Fast-travel design with 4:1 speed ratio and 4 thread starts enables rapid linear movement, significantly reducing cycle times.
• Superior durability from 303 Stainless Steel construction offering excellent corrosion resistance and long service life.
• High load capacity with 90,000 psi tensile strength and Brinell 160 hardness to withstand demanding operational stresses.
• Smooth, efficient operation through rounded Acme threading that reduces friction and wear while maintaining precise engagement.
• Extended reach capability with 18" fully threaded length providing versatile installation options across various machine designs.
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe, environmentally conscious manufacturing applications.

Professional Applications & Engineering Value

This ultra-precision lead screw delivers exceptional value in high-speed automation, medical devices, and optical positioning systems where ±0.0006" accuracy is critical. The 303 Stainless Steel construction ensures corrosion resistance in harsh environments, while the 4:1 speed ratio and 4 thread starts enable rapid linear motion without sacrificing precision. The rounded Acme thread profile minimizes backlash and wear, extending component life in continuous operation. Engineers benefit from the 0.192" travel per turn and right-hand threading for predictable, consistent performance in precision linear motion applications requiring both speed and accuracy.

Specification Summary & Compliance

This 7/32"-20.8 lead screw features precision rounded Acme threading with 4 thread starts and right-hand direction. The component maintains tight tolerances with ±0.0006" per inch accuracy for travel distance. Manufactured from 303 Stainless Steel with 90,000 psi tensile strength and Brinell 160 hardness, it delivers reliable performance in demanding applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring regulatory adherence for industrial use.