S-90508A160 M12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through spring-stop locking mechanism for reliable performance in high-motion applications
• Enhanced load distribution with extra fine 1.25mm thread pitch for maximum holding power and joint integrity
• Durable corrosion protection with zinc-plated steel construction extending service life in harsh environments
• Consistent torque performance with Class 6H thread fit ensuring precise installation and uniform clamping force
• Industry-standard compatibility with metric M12 sizing and external hex drive for easy integration with existing tooling
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial usage
• Optimized strength-to-weight ratio with Class 6 strength rating in a compact 10.4mm height profile

Professional Applications & Engineering Value

This M12 spring-stop locknut delivers critical vibration resistance where conventional fasteners fail. The extra fine 1.25mm thread pitch creates more thread engagement points, distributing load more effectively across mating components while the zinc-plated steel construction withstands environmental exposure in automotive, machinery, and structural applications. Engineered with Class 6 strength and external hex drive, it maintains clamping force under dynamic loads and thermal cycling, preventing costly downtime from loosening assemblies. The spring-stop design provides consistent locking action without damaging threads, making it ideal for precision equipment, conveyor systems, and manufacturing fixtures where reliability is paramount.

Specification Summary & Compliance

Manufactured to metric standards with M12 x 1.25mm extra fine threads and Class 6H thread fit tolerance for precision engagement. Features standard hex profile (17mm width) and right-hand threading compatible with industrial specifications. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. Strength rating meets Class 6 requirements for reliable performance in demanding applications.