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If you’ve ever worked with high-torque transmissions or heavy machinery, you know that not all splines are created equal. When standard light-duty connections won’t cut it, engineers often turn to the standard.
DIN 5464 is a German technical standard that specifies the dimensions and tolerances for .
The standard provides a dimensional matrix based on the number of teeth ( ) and the nominal diameter ( ). Parameter Description Typically 8, 10, or 20, depending on the shaft size. Minor Diameter ( ) The inner diameter where centering usually occurs. Major Diameter ( ) The outer diameter of the spline teeth. Width of Key ( ) The thickness of the individual spline teeth. Status and PDF Access