Reverse Thread Countersunk Hex Socket Head Bolts, Grade 10.9, Blackened High-Strength Screws [M4 M5 M6 M8]

These high-strength screws are designed for applications requiring robust and secure fastening. Featuring a reverse thread design, these bolts provide extra security against loosening due to vibration. The countersunk head style ensures a flush finish, while the hex socket allows for easy installation with an Allen key. Made from Grade 10.9 steel, they offer superior tensile strength and durability. The blackened finish not only adds a sleek appearance but also enhances corrosion resistance. Available in various sizes, including M4, M5, M6, and M8, these bolts are perfect for a variety of industrial and mechanical applications. Head shape: Countersunk Material Grade: 10.9 Manufacture country: China Instructions included: No