HEX BOLT STANDARD EN ISO 4014-DIN 931

Hexagon head bolts conforming to the standard EN ISO 4014 and DIN 931 are a widely used kind of threaded fasteners. These screws feature a six-sided top, which allows for reliable tightening using a hexagonal wrench. They are commonly employed in a range of applications, including construction engineering, where their sturdiness and precise dimensi