Yigu Blackened Carbon Steel Concave-Convex Washers M6-M24, Tapered Conical Bowl-Shaped Screw Washers M8-M10

These blackened carbon steel washers are designed for industrial and mechanical applications requiring robust and reliable fastening solutions. Featuring a unique concave-convex shaping, they provide a secure and stable fit for screws and bolts ranging from M6 to M24 sizes. The tapered conical bowl shape ensures even load distribution, enhancing the durability and integrity of the fastening system. Specifically suitable for M8-M10 screws, these washers offer enhanced resistance to loosening under vibrations, making them ideal for use in environments where stability and strength are critical. With their high-quality carbon steel construction, they deliver excellent performance and longevity in demanding conditions. Standard No.: GB850 Surface Treatment: Black oxide film treatment Material Grade: 4.8 Product Grade: A-level Manufacture country: China Instructions included: No