HEX BOLT STANDARD EN ISO 4014-DIN 931

Hexagon head bolts conforming to the specification EN ISO 4014 and DIN 931 are a widely used category of threaded fasteners. These screws feature a six-sided head, which allows for secure tightening using a six-point wrench. They are commonly used in a variety of applications, including construction engineering, where their sturdiness and precise m