S-97471A133 31 mm ID x 63 mm OD DIN 432 Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance through the tab lock design that prevents loosening under dynamic loads
• Excellent corrosion resistance with 316 stainless steel construction for harsh industrial environments
• Precise dimensional fit with 31mm ID and 63mm OD ensuring perfect alignment with M30 fasteners
• Reliable locking performance meeting DIN 432 standards for consistent quality and safety
• Environmental compliance with RoHS 3 and REACH regulations for global industrial applications
• Optimized profile with 1.6mm thickness and 9.5mm overall height for space-constrained assemblies
• Enhanced installation efficiency with 8.5mm tab width for easy handling and secure positioning

Professional Applications & Engineering Value

This M30 tab lock washer delivers critical vibration-resistant performance in demanding industrial settings where fastener security is paramount. Manufactured from 316 stainless steel, it provides exceptional resistance to corrosion from chemicals, saltwater, and extreme temperatures, making it ideal for marine, chemical processing, and outdoor infrastructure applications. The DIN 432 certified tab lock mechanism creates positive mechanical locking that prevents rotational loosening in high-vibration machinery, conveyor systems, and heavy equipment. The precise 31mm ID and 63mm OD dimensions ensure perfect fit with M30 fasteners, eliminating play and maintaining joint integrity. This metric washer solves the common industrial problem of fastener failure in vibrating environments while meeting stringent environmental standards.

Specification Summary & Compliance

This tab lock washer features precise metric dimensions with 31mm internal diameter, 63mm outer diameter, 1.6mm thickness, and 9.5mm overall height. Manufactured to DIN 432 standards for dimensional accuracy and performance requirements. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant with current SVHC documentation, ensuring environmental responsibility and global market acceptance. Designed specifically for M30 screw applications with 8.5mm tab width for secure installation.