S-7549K59 M4 x 11/16" Metric Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Ultra-precise motion control with 0.3mm travel per turn for accurate positioning in sensitive applications
• Durable Acetal Plastic construction provides excellent wear resistance and smooth operation without lubrication
• Dual-thread compatibility with M4 metric internal and 3/8"-24 UNF external threads for versatile system integration
• Reliable performance in extreme conditions with operational range from -40° to 185°F (-40° to 85°C)
• 25 lbs dynamic thrust capacity ensures stable operation under continuous load in precision mechanisms
• Right-hand single-start thread design delivers consistent, predictable motion for repeatable processes
• Full regulatory compliance with RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

This M4 x 0.3mm metric lead screw nut delivers exceptional engineering value in ultra-precision motion control systems where accuracy and reliability are paramount. The Acetal Plastic material provides natural lubricity that eliminates the need for additional lubricants, preventing contamination in cleanroom environments and sensitive instrumentation. The metric trapezoidal thread profile ensures smooth, precise linear motion with minimal backlash, making it ideal for laboratory equipment, optical positioning systems, and medical devices. With its unique combination of M4 internal threading and 3/8"-24 UNF external threads, this component serves as an effective adapter between metric and imperial systems, simplifying design integration while maintaining the 8000 psi tensile strength required for demanding industrial applications.

Specification Summary & Compliance

This precision component features M4 x 0.3mm metric trapezoidal internal threading with standard pitch accuracy and 3/8"-24 UNF external threads manufactured to Class 2A tolerances. The nut delivers 0.3mm travel per revolution with right-hand thread direction and single-start configuration. Manufactured from engineering-grade Acetal Plastic, it maintains dimensional stability across the specified temperature range. 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 markets.