HEX BOLT STANDARD EN ISO 4014-DIN 931

Hexagon head fasteners conforming to the standard EN ISO 4014 and DIN 931 are a widely used type of threaded fasteners. These bolts feature a six-sided top, which allows for secure tightening using a six-sided wrench. They are commonly utilized in a variety of applications, including automotive engineering, where their durability and precise specif