Hexagon bolts are a common fastener known for their distinctive six-sided head shape. This design allows for efficient tightening with a wrench, making them robust in various applications. When specifying hexagon bolts, several factors matter, including the diameter of the bolt shaft, thread pitch, material grade, and head design. These features de

When identifying fasteners, understanding the requirements of different standards is crucial. Two such standards, DIN 933 and DIN 931, both define hexagon head bolts. This article provides a comparative guide to help you distinguish these two common types of fasteners based on their key properties. DIN 933 specifications typically include screw thr