Premium Black Oxidation Steel Washers for Heavy-Duty Applications
High-quality carbon steel construction with durable black oxide coating for superior corrosion resistance and extended lifespan. Precision-engineered open spring design ensures reliable tension and vibration damping in demanding environments. Ideal for construction, machinery, and automotive assemblies where heavy-duty fastening is critical. Compliant with GB standards for consistent performance and compatibility with M3-M12 bolts. Wholesale pricing available for bulk orders, backed by global logistics support. Trusted by builders and manufacturers for unmatched durability and cost efficiency.