S-93925A280 8.4 mm ID x 15 mm OD DIN 6797 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with internal teeth that bite into mating surfaces, preventing loosening under dynamic loads
• Reliable locking performance through spring tension and tooth engagement for secure fastening in high-stress applications
• Excellent corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise dimensional compatibility with M8 screws (8.4mm ID, 15mm OD) ensuring perfect fit and optimal force distribution
• Compliance with DIN 6797 standards guaranteeing consistent quality, dimensional accuracy, and performance reliability
• Environmental regulation compliance meeting RoHS 3 and REACH requirements for safe use in regulated industries
• Durable material properties providing long service life and consistent performance across temperature variations

Professional Applications & Engineering Value

Engineered to solve critical vibration-induced loosening problems in industrial machinery, these M8 internal tooth lock washers deliver exceptional vibration resistance through their unique internal tooth design that creates positive locking action. The 18-8 stainless steel construction ensures corrosion resistance in demanding environments including marine, chemical processing, and outdoor equipment applications. Manufactured to DIN 6797 specifications, these washers provide reliable performance in automotive assemblies, electrical enclosures, and mechanical systems where secure fastening is critical to operational safety and equipment longevity. The precise metric dimensions (8.4mm ID × 15mm OD) ensure proper seating and uniform load distribution, preventing surface damage while maintaining clamping force under continuous vibration and thermal cycling conditions.

Specification Summary & Compliance

This internal tooth lock washer features precise dimensional specifications: 8.4mm internal diameter, 15mm outer diameter, and 0.7-0.9mm thickness range, engineered specifically for M8 screw applications. The product conforms to DIN 6797 standards for dimensional accuracy and performance requirements. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and restricted substance management. The 18-8 stainless steel material provides consistent mechanical properties and corrosion resistance suitable for industrial fastening applications requiring reliable vibration-resistant locking solutions.