DIN 6921 is a German standard that outlines the specifications for hexagon bolts with a coarse thread and a nominal diameter of 12 mm to 36 mm. Published by the German Institute for Standardization (Deutsches Institut für Normung), this standard ensures that hexagon bolts meet the required dimensions, material, and mechanical properties to guarantee safety and reliability in various industrial applications. The standard covers essential aspects such as thread dimensions, material selection, and surface treatment, providing a benchmark for manufacturers to produce high-quality hexagon bolts that meet the demands of modern engineering. By adhering to DIN 6921, manufacturers can ensure that their products conform to the highest standards of quality, performance, and safety, ultimately benefiting industries that rely on these critical fasteners.
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