Crafted from carbon steel, these hexagon socket head cap screws offer exceptional durability and reliability. The knurled cylindrical head design allows for easy handling, while the socket makes a secure fit. Suit for use in mechanical assemblies, furniture construction, and various DIY projects, these screws provide a dependable fastening solution. Features - Color: Black -Material:Carbon Steel -Thread: M5x18 -Metal stability: the Metal material makes the screws remain stable and reliable, addressing the issue of loosening during use. Suit for applications like machinery assembly -Efficient torque transmission: the knurled design enhances torque transmission, making tightening easier and reducing installation time and labor. ideal for frequent assembly and disassembly tasks -Antiloosening design: the knurled surface increases friction, preventing the screws from loosening and falling off, thus enhancing durability. suitable for longterm use in construction and aerospace applications -Metal material: made from Metal materials, these screws offer excellent performance in harsh environments, making them ideal for outdoor and marine applications -Engineering standard: complying for din912 standards, these screws provide reliable for various engineering projects, making them suitable for machinery assembly and securing Package list: 50 x hexagon socket machine screws