DIN 960 is a standard that specifies the requirements for metric hexagon head bolts with fine pitch thread. This standard ensures that these bolts have a high level of quality and reliability. The DIN 960 standard covers various aspects such as the dimensions, materials, and mechanical properties of these bolts. It provides detailed guidelines for the manufacturing and testing processes to ensure that the bolts meet the specified requirements. By adhering to the DIN 960 standard, manufacturers can ensure that the hexagon head bolts they produce are suitable for a wide range of applications and can withstand the required loads and stresses.