BOLTS DIN 931 - HEX HEAD EN ISO 4014

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