DIN 558 specifies fine-threaded hexagon head bolts, a common type of fastener used in various applications. These bolts feature a hexagonal head for secure fastening with wrenches and are known for their high strength and durability. The DIN standard defines the bolt's dimensions, including length, diameter, thread pitch, and material composition,

DIN 835 specifies high-strength hexagon head bolts designed to withstand substantial loads and provide secure fastening. These bolts feature a hexagonal head shape, that allows for easy tightening using standard wrenches. They are typically made from hardened steel alloys, ensuring here exceptional tensile strength and durability. DIN 835 bolts fi