You can purchase and download the official PDF from several accredited standards distributors:

Whether you are reverse-engineering a legacy gearbox or designing a new hydraulic pump, the DIN 5464 standard is a critical piece of the puzzle. It represents a perfect balance of geometric complexity and practical reliability. As the industry continues to move toward digital twins and model-based definitions, the DIN 5464 PDF remains an essential reference—ensuring that the digital model translates perfectly into the physical strength required to turn the gears of industry.

: It defines the exact widths, depths, and counts of teeth for various shaft diameters.