S-93925A240 3.2 mm ID x 6 mm OD DIN 6797 Internal-Tooth Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through internal tooth design that bites into mating surfaces to prevent loosening under dynamic loads
• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Precision dimensional accuracy with 3.2mm ID and 6mm OD ensuring perfect fit for M3 fasteners in metric assemblies
• Reliable locking performance meeting DIN 6797 standards for consistent quality and predictable fastening behavior
• Enhanced equipment longevity through secure fastening that reduces maintenance needs and prevents component failure
• Regulatory compliance assurance with RoHS 3 and REACH compliance for global market acceptance and environmental safety
• Optimized space utilization with thin 0.3-0.5mm profile suitable for compact assemblies without compromising locking effectiveness

Professional Applications & Engineering Value

These M3 internal tooth lock washers provide critical vibration-resistant fastening solutions for demanding industrial applications where secure connections are paramount. The 18-8 stainless steel construction offers excellent corrosion resistance, making them ideal for automotive assemblies, electrical enclosures, machinery, and outdoor equipment exposed to moisture and chemicals. The internal tooth configuration creates multiple biting points that dig into both the fastener and surface, effectively resisting rotational forces and vibrational loosening that plague standard washers. Engineered to DIN 6797 specifications, these metric washers deliver predictable performance in precision equipment, preventing costly downtime and maintenance in critical assemblies where fastener security directly impacts operational reliability and safety.

Specification Summary & Compliance

This internal tooth lock washer features precise dimensions of 3.2mm internal diameter and 6mm outer diameter with thickness ranging 0.3-0.5mm, specifically designed for M3 screw applications. Manufactured in compliance with DIN 6797 standards for dimensional accuracy and performance requirements. The product is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for hazardous substance restrictions. The 18-8 stainless steel material provides consistent mechanical properties and corrosion resistance suitable for industrial fastening applications requiring reliable locking performance.