Toolcraft to-5389992 spring washers made of spring steel, delivered in a convenient set of 100 pieces. These precision-engineered spring washers are made from high-quality spring steel, offering excellent elasticity and fatigue resistance for demanding industrial applications. The spring steel construction ensures reliable performance in high-load environments with consistent rebound characteristics. These washers have a standard diameter of 12 mm and are designed for secure fastening in various mechanical assemblies and devices. The cylindrical design with a longitudinal slot allows for easy installation and removal while maintaining tight tolerances. Suitable for use in machinery, automotive applications, industrial equipment, and precision engineering projects that require reliable fastening solutions. The spring steel material provides corrosion resistance and retains its mechanical properties over a wide temperature range of -20 °C to +120 °C. Each washer undergoes quality control to ensure dimensional accuracy and consistent performance. The set of 100 pieces provides ample supply for multiple projects or maintenance needs. These spring washers are compatible with standard tools and assembly methods commonly used in industrial environments. The Toolcraft brand stands for professional tools and components designed for workshop and industrial use. Proper storage in dry conditions is recommended to maintain optimal performance characteristics over the long term.