The Flat Washer 21.5 is designed to distribute load across a surface, providing enhanced stability and reducing the risk of damage to materials. Made from durable materials, this washer is suitable for various applications in construction and manufacturing. Its flat design ensures even pressure distribution, making it ideal for use with bolts, screws, and nuts. The washer helps prevent loosening of fasteners due to vibration and movement, ensuring long-term reliability. With an ID of #22852 and part number ST08A0007111, this flat washer is versatile and essential for any assembly requiring secure fastening. Its compatibility with standard hardware makes it a practical choice for professionals and DIY enthusiasts alike.