S-6350K211 1/2"-20 x 2" Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Extended service life through wear-compensating spring technology that maintains consistent performance in high-cycle applications
• Corrosion-resistant operation with acetal plastic construction, ideal for environments where metal components would degrade
• Precise linear motion control with 0.05" travel per turn and rounded Acme threads for smooth, accurate positioning
• Reliable load handling with 25 lbs dynamic thrust capacity and 9700 psi tensile strength for demanding industrial applications
• Simplified installation featuring a flange design with three 13/64" mounting holes for secure, stable mounting
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Reduced maintenance requirements with self-lubricating acetal plastic that minimizes friction and wear

Professional Applications & Engineering Value

This 1/2"-20 Acetal Plastic Flange Nut delivers exceptional value in ultra-precision lead screw systems where consistent performance and minimal backlash are critical. The wear-compensating spring technology addresses the common industrial challenge of thread wear over time, maintaining precise engagement with mating screws throughout the component's lifespan. Made from durable Acetal Plastic, this nut eliminates galling and corrosion issues prevalent in metal alternatives, making it ideal for clean rooms, food processing, medical devices, and laboratory equipment. The rounded Acme thread form with right-hand orientation provides smooth, predictable motion control while the integrated flange design with three mounting holes ensures stable attachment in precision positioning systems, reducing vibration and improving overall system accuracy.

Specification Summary & Compliance

This flange nut features a 1/2"-20 thread size with rounded Acme thread type and right-hand direction, manufactured to inch system specifications. Critical dimensions include 2" length, 0.891" diameter, and 1 39/64" flange diameter with 17/64" thickness. The component delivers 9700 psi tensile strength and 25 lbs dynamic thrust load capacity, supported by three 13/64" mounting holes on a 1 1/4" bolt circle. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental and safety standards for industrial components.