S-94560A120 M12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Flex-Top locking technology that maintains secure fastening under dynamic loads
• Excellent corrosion resistance provided by 18-8 stainless steel construction for extended service life in harsh environments
• Precise thread engagement with Class 6H thread fit ensuring reliable performance and reduced risk of cross-threading
• Easy installation and removal with standard 19mm external hex drive compatible with common wrench tools
• Optimal locking performance with metric coarse thread (1.75mm pitch) providing strong holding power in various materials
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Durable construction with 15.6mm height providing sufficient material for repeated use without deformation

Professional Applications & Engineering Value

This M12 Flex-Top locknut delivers exceptional engineering value in applications where vibration-induced loosening poses significant operational risks. The innovative Flex-Top locking mechanism creates consistent radial pressure along the threads, maintaining clamp force without damaging mating surfaces. Manufactured from 18-8 stainless steel, this metric hex nut provides reliable corrosion resistance in demanding environments including marine, food processing, and outdoor equipment. The Class 6H thread fit ensures precise engagement with mating bolts while the coarse thread pitch (1.75mm) offers excellent performance in soft materials and high-vibration applications. This combination of features makes it ideal for machinery, conveyor systems, and automotive assemblies where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

This M12 x 1.75mm locknut features standard metric dimensions with 19mm across flats and 15.6mm height. The external hex drive provides compatibility with standard wrenching tools. Thread specifications include Class 6H tolerance for precise fitment and right-hand coarse thread configuration. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict material restrictions. The Flex-Top locking design maintains performance without requiring additional locking elements, providing a streamlined fastening solution.