S-90508A130 M8 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through spring-stop locking technology that maintains secure fastening in high-motion environments
• Enhanced corrosion protection with zinc-plated steel construction for extended service life in industrial conditions
• Reliable coarse thread engagement with 1.25mm pitch for quicker installation and reduced cross-threading risks
• Consistent performance achieved through Class 6 strength rating and Class 6H thread fit precision
• Easy installation and removal with standard external hex drive compatible with common wrench tools
• Right-hand threading compatibility with standard metric bolt systems for straightforward assembly
• Environmental compliance assurance meeting RoHS 3 and REACH standards for safe industrial use

Professional Applications & Engineering Value

This M8 spring-stop locknut delivers critical vibration resistance where conventional nuts fail. The zinc-plated steel construction provides durable corrosion protection for machinery, automotive, and structural applications exposed to harsh environments. With its coarse 1.25mm thread pitch and Class 6H thread fit, this external hex locknut ensures rapid installation while maintaining precise tolerances. The spring-stop locking mechanism creates constant tension that prevents loosening under extreme vibration, making it ideal for industrial equipment, conveyor systems, and automotive assemblies where reliability is paramount. The metric coarse threading offers superior engagement in materials where fine threads might strip or damage easily.

Specification Summary & Compliance

This locknut features M8 x 1.25mm coarse right-hand threading with Class 6H thread fit precision. Dimensions include 12mm width across flats and 7.3mm height. Manufactured to Class 6 strength rating standards with external hex drive configuration. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial applications.