High-Strength Black Spring Washer M3-M30

This product is a robust black spring washer available in sizes ranging from M3 to M30. Designed for high-strength applications, it offers exceptional durability and reliability, ensuring secure fastening in various mechanical and structural settings. Its corrosion-resistant finish enhances longevity and performance, making it suitable for use in harsh environments. Perfect for professionals and DIY enthusiasts alike, this washer delivers optimal tension and load distribution for secure assembly. Standard No.: GB/T 93-1987 Surface Treatment: True Color Material Grade: 8.8 Product Grade: A-level Manufacture country: China Instructions included: No