Carbon Steel Black Nylon Locking Nut Set - Anti-Loosening Screw Nuts

This set features high-quality locking nuts crafted from durable carbon steel with a sleek black nylon insert. Designed to prevent loosening under pressure and vibration, these nuts provide secure fastening in various applications. Ideal for both professional and DIY projects, their robust construction ensures long-lasting performance and reliability. These anti-loosening screw nuts are perfect for ensuring stability in machinery, automotive, or household projects. Standard No.: DIN985 Surface Treatment: Oxidation black Material Grade: Plain Carbon Steel Product Grade: A-level Strength Level: 4.8 Manufacture country: China Instructions included: No