S-97783A250 M4 x 1/2" Metric Fast-Travel Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• High-speed linear motion with 10mm travel per turn and 8:1 speed ratio for rapid positioning in automated systems
• Exceptional chemical resistance and low friction from acetal plastic construction, ensuring smooth operation and extended service life
• Secure mounting with integrated flange featuring two 1/8" mounting holes for stable installation without additional hardware
• Precision metric trapezoidal threading (M4 x 1.25mm) maintains consistent engagement and reduces backlash in motion control applications
• Reliable performance under load with 8000 psi tensile strength and 25 lbs dynamic thrust capacity for industrial duty cycles
• Broad temperature compatibility from -40° to 185°F for use in diverse manufacturing environments
• Environmental compliance assurance meeting RoHS 3 and REACH standards for global supply chain integration

Professional Applications & Engineering Value

This M4 metric flange nut delivers critical advantages in ultra-precision lead screw assemblies where speed and accuracy are paramount. The acetal plastic construction provides natural lubrication that minimizes wear on mating components while resisting industrial chemicals and moisture. With 8 thread starts and metric rounded trapezoidal threading, it achieves rapid 10mm linear travel per revolution – ideal for pick-and-place systems, medical devices, and laboratory automation requiring fast positioning. The integrated flange design with precisely spaced mounting holes eliminates alignment issues during installation, reducing assembly time and improving system rigidity. Engineered for fast-travel applications, this component maintains precise motion control while withstanding continuous dynamic thrust loads in temperature-fluctuating environments.

Specification Summary & Compliance

This precision flange nut features M4 x 1.25mm metric trapezoidal threads with right-hand direction and 8 thread starts. Manufactured from acetal plastic with 8000 psi tensile strength and 25 lbs dynamic thrust capacity. Temperature rated from -40° to 185°F. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial use.