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 dependable in various applications. When specifying hexagon bolts, several factors come into play, including the size of the bolt shaft, thread pitch, material strength, and head configuration.

When selecting fasteners, understanding the requirements of different standards is crucial. Two such standards, DIN 933 and DIN 931, both define six-sided head bolts. This article provides a comparative guide to help you differentiate these two common types of fasteners based on their key properties. DIN 933 requirements typically include thread ty