S-97471A101 4.3 mm ID x 14 mm OD DIN 432 Tab Lock Washers

Key Features & Benefits at a Glance

• Superior vibration resistance with a tab locking mechanism that prevents loosening under dynamic loads, ensuring long-term joint integrity.
• High-strength steel construction with Rockwell B50 hardness for excellent durability and resistance to wear in demanding industrial environments.
• Precise metric sizing with 4.3mm ID and 14mm OD for a perfect fit with M4 screws, reducing installation errors and improving assembly efficiency.
• Compliance with DIN 432 standards guarantees dimensional accuracy and reliable performance in European and international applications.
• Environmentally responsible manufacturing with full RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.
• Optimized 0.4mm thickness and 2mm overall height for space-saving designs without compromising on locking effectiveness.
• Easy installation and removal thanks to the 2.5mm tab width, facilitating maintenance and reducing downtime in machinery and equipment.

Professional Applications & Engineering Value

This M4 tab lock washer is engineered to address common challenges in industrial settings, such as vibration-induced fastener failure and misalignment. Made from robust steel with a Rockwell B50 hardness, it withstands repetitive stress in machinery, automotive assemblies, and electrical enclosures. The tab locking mechanism securely engages with mating surfaces, providing reliable vibration resistance that minimizes maintenance needs. Compliant with DIN 432, it ensures precise fit and performance in metric system applications, from manufacturing equipment to renewable energy systems. Its RoHS and REACH compliance further supports sustainable operations, making it a trusted choice for engineers seeking durability and regulatory adherence.

Specification Summary & Compliance

This washer features precise dimensions: 4.3mm ID, 14mm OD, 0.4mm thickness, 2mm overall height, and 2.5mm tab width, designed for M4 screw sizes. It meets DIN 432 specifications for dimensional accuracy and performance. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring adherence to environmental and safety standards without the use of restricted substances.