Introducing the M8 Hot Sale Carbon Steel Black Phosphor Bronze Top M3-M30 Spring Lock Washer! As a factory, we take pride in producing high-quality and reliable hardware products. Our washer is specifically designed to provide exceptional locking performance and prevent loosening in various applications. Crafted from durable carbon steel and coated in black phosphor bronze, this washer offers excellent corrosion resistance and long-lasting durability. Suitable for M3 to M30 screws, it ensures a secure connection and promotes enhanced stability. Choose our factory-made M8 Hot Sale Carbon Steel Black Phosphor Bronze Top M3-M30 Spring Lock Washer for all your fastening needs!