As a factory, we are proud to offer our DIN912 Gr10.9 Black Oxide Bolt Screws Hexagon Socket Head Allen Bolt Zinc Plated Allen Hexagon Socket Extra Long Hex Machine Bolts. These high-quality bolts feature a sturdy construction that is built to last. The black oxide finish adds to their durability and corrosion resistance, while the hexagon socket head ensures easy installation. These bolts are available in a variety of sizes to fit your needs. Whether you need them for automotive, construction, or industrial use, our bolts are sure to meet your standards. Order now and experience the reliability and quality that only a factory-direct product can provide.