DIN 604 specifies the dimensions and requirements for square head bolts with short dog point in metric thread M5 to M36 and with nominal length L up to 500 mm. These bolts are commonly used in heavy machinery and equipment where a secure and stable connection is essential for the overall functionality and safety of the machinery. The specifications outlined in DIN 604 ensure that the square head bolts meet the necessary standards for quality and performance, providing engineers and manufacturers with the assurance that these components will contribute to the overall reliability of their products. This standard plays a crucial role in ensuring the uniformity and compatibility of square head bolts across different applications, ultimately contributing to the efficiency and safety of industrial equipment and machinery.