Tooling manufacturers (like Hirth, Forst, or American Broach & Machine) often need to reverse-engineer or replicate a broach. Without the PDF, they cannot guarantee the pulling head thread, the pull end diameter, or the exact tooth geometry.
Spline shafts and hubs are used to connect rotating machine elements—such as gears, pulleys, and shafts—to transmit high levels of torque while maintaining precise axial alignment. Key Characteristics of DIN 5463: din 5463 pdf
Go to and search "DIN 5463." Make sure to select the correct edition (usually 1976-10). Pay for the PDF download. You will receive a DRM-protected or watermarked PDF that is legally traceable to your license. Tooling manufacturers (like Hirth, Forst, or American Broach
6 teeth, 11mm minor diameter, 14mm major diameter. Key Characteristics of DIN 5463: Go to and
In simpler terms, this standard provided the technical specifications for a specific type of mechanical connection used to join a shaft and a hub. A spline is a series of parallel, machined ridges (or teeth) on a shaft that interlock with corresponding grooves in a hub. This design allows for the transmission of high torque while often permitting axial movement between the two parts. The 1955 version of the standard is the most well-known, officially titled and published in September 1955, superseding an earlier version from 1939.
The DIN 5463 standard consists of several pages that cover the following topics: