Enhance the security of fastened components with our External Tooth Lock Washer. Designed to prevent loosening and maintain tight connections, this washer features a durable steel construction with a yellow zinc finish for corrosion resistance. Compliant with DIN 6797A standards, it guarantees reliable performance. With a precise outside diameter of 8mm and a thickness of 0.5mm, it's suitable for metric applications. The internal diameter of 4.3mm accommodates M4 screws, ensuring a perfect fit. Trust in this high-quality washer to meet your fastening needs effectively.