HEX BOLT STANDARD EN ISO 4014-DIN 931

Hexagon head screws conforming to the norm EN ISO 4014 and DIN 931 are a widely used type of threaded fasteners. These bolts feature a six-sided socket, which allows for secure tightening using a six-sided wrench. They are commonly employed in a selection of applications, including automotive engineering, where their sturdiness and precise dimensio