M8 Hot Sale Carbon Steel Black Phosphor Bronze Top M3-M30 Spring Lock Washer is a highly durable and robust product offered by our factory. Made with top-quality carbon steel, the lock washer boasts a black phosphor bronze top that enhances its longevity and resistance to wear and tear. Its spring design allows for secure and firm fastening of bolts and nuts, with greater control and tighter grip. The lock washer is available in a range of sizes, from M3-M30, to cater to different applications and needs. As a factory, we take pride in producing high-quality and reliable products that meet the needs and requirements of our customers. Order now and experience the superior performance of M8 Hot Sale Carbon Steel Black Phosphor Bronze Top M3-M30 Spring Lock Washer.