S-97471A146 13 mm ID x 30 mm OD DIN 93 Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with the tab lock design that prevents loosening under dynamic loads, ensuring long-term joint integrity.
• Excellent corrosion resistance from 18-8 stainless steel material, ideal for harsh or outdoor industrial environments.
• Precise dimensional fit with 13mm ID and 30mm OD for M12 screws, enabling easy installation and reliable performance.
• Enhanced durability with Rockwell B70 hardness, providing resistance to wear and deformation in high-stress applications.
• Compliance with DIN 93 standards ensures consistent quality, interchangeability, and reliability in mechanical assemblies.
• Environmental and safety compliance with RoHS 3 and REACH, making it suitable for regulated industries and global supply chains.
• Optimized tab width of 12mm for secure locking action without compromising on space or assembly speed.

Professional Applications & Engineering Value

This M12 tab lock washer is engineered to address common challenges in industrial settings, such as vibration-induced fastener failure and corrosion in demanding environments. Made from 18-8 stainless steel, it offers robust resistance to rust and chemical exposure, making it ideal for machinery, automotive, and construction applications. The tab lock design conforming to DIN 93 provides a mechanical locking feature that counters rotational forces, reducing maintenance needs and downtime. With its metric dimensions and precise thread compatibility for M12 screws, it ensures easy integration into existing assemblies, enhancing the reliability of bolted connections in equipment subject to constant motion or thermal cycling.

Specification Summary & Compliance

This washer features an ID of 13 mm, OD of 30 mm, thickness of 1 mm, and tab width of 12 mm, designed for M12 screw sizes with adherence to DIN 93 standards for dimensional accuracy and performance. It is manufactured from 18-8 stainless steel with a hardness of Rockwell B70, ensuring consistent mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets stringent environmental and safety regulations, supporting use in eco-conscious and global industrial markets.