DIN 558 specifies medium-threaded hexagon head bolts, a common type of fastener used in various applications. These bolts feature a hexagonal head for robust grip 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, ens

Hexagon head bolts conforming to the specification EN ISO 4014 and DIN 931 are a widely used type of threaded fasteners. These bolts feature a six-sided head, which allows for reliable tightening using a six-point wrench. They are commonly utilized in a selection of applications, including automotive engineering, where their strength and precise di