S-90045A121 M12 DIN 980, ISO 7042 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through top lock distorted thread design that maintains clamping force under dynamic loads
• Excellent corrosion protection with 18-8 stainless steel construction for long service life in harsh environments
• Reliable thread engagement with Class 6H thread fit ensuring precise mating with compatible bolts
• Industry-standard compatibility meeting DIN 980 and ISO 7042 specifications for global applications
• Easy installation and removal using standard 19mm wrenches with external hex drive design
• Environmental compliance with RoHS 3 and REACH regulations for safe industrial use
• Optimized for coarse thread applications with M12x1.75mm configuration providing strong holding power

Professional Applications & Engineering Value

This M12 locknut with distorted thread technology addresses critical vibration-induced loosening in industrial equipment, machinery, and structural applications. The 18-8 stainless steel construction provides exceptional corrosion resistance, making it ideal for outdoor installations, chemical processing environments, and marine applications where moisture and corrosive elements are present. The top lock design creates consistent friction along the thread engagement, eliminating the need for additional locking devices while maintaining vibration resistance throughout the nut's service life. Engineered to DIN 980 and ISO 7042 standards, this metric locknut ensures reliable performance in automotive assemblies, construction equipment, and manufacturing systems where safety and reliability are paramount.

Specification Summary & Compliance

This M12x1.75mm locknut features Class 6H thread fit per ISO metric standards with coarse thread spacing for optimal load distribution. Manufactured in compliance with DIN 980 and ISO 7042 specifications, the nut maintains precise dimensional accuracy with 19mm width and 12mm height. The product is fully RoHS 3 (2015/863/EU) compliant and meets REACH (EC 1907/2006) requirements, ensuring environmental responsibility and workplace safety. The right-hand metric thread configuration with external hex drive provides industry-standard compatibility for professional applications requiring reliable fastening solutions.