Galvanized Iron Spring Washers: Metal Elastic Open Washers for M3-M30

These elastic open washers are crafted from high-quality galvanized iron, providing excellent durability and resistance to corrosion. Designed to enhance the performance of fasteners, they deliver reliable tension and load distribution. Suitable for a range of bolt sizes from M3 to M30, they effectively prevent loosening and maintain assembly integrity under varying conditions. Ideal for use in automotive, construction, and machinery applications, these washers ensure secure and long-lasting fastening solutions. Standard No.: GB93 Surface Treatment: Galvanizing Material Grade: 4.8 Manufacture country: China Instructions included: No