Enhance the security and stability of your fastening applications with this essential Flat Washer. Boasting a 4.30mm inner diameter, it perfectly accommodates M4/#8 screws, providing a snug fit. Crafted from durable nylon material, this washer offers reliable insulation and corrosion resistance. Its 9.00mm outer diameter ensures ample coverage, while the sleek natural finish adds a professional touch. With a thickness of 0.8mm, it effectively distributes pressure, preventing damage to surfaces. Rest assured of its compliance with RoHS regulations, making it an eco-friendly choice for your projects. Upgrade your fastening arsenal with this versatile and high-quality Flat Washer.