- Secure Fit: Once installed, the groove edge effectively grips the material surface within the nut, ensuring a reliable and stable connection. - High-Quality Construction: Made from durable 45H steel and finished with a black plating, these open spring washers offer exceptional strength and resistance to wear, making them ideal for heavy-duty applications. - Versatile Size Range: Compatible with a variety of bolts and screws, our spring washers fit M2 to M30 threads, providing flexibility for various projects. - Enhanced Performance: The unique design of the spring washer allows for consistent pressure distribution, preventing loosening and enhancing the integrity of your assembly. Use Scenarios: 1. Automotive Assembly: Ideal for use in vehicles, these washers provide secure fastening for engine components, ensuring they withstand vibration and stress. 2. Construction Applications: Perfect for securing structural connections, our washers maintain integrity under heavy loads, making them essential for building durability. 3. Machinery Maintenance: Utilize these spring washers in machinery and equipment to reduce the risk of part failure due to loosening, improving overall functionality and safety. Choose our 45H Plating Black Spring Washers for unmatched strength, reliability, and versatility in your fastening solutions.