DIN 5482 defines tolerance classes for the spline teeth (e.g., h, f, e for external splines; H, G for internal splines). These classes determine the tightness of fit—from sliding fits allowing free axial movement to fixed fits with interference.
: Includes parameters like the number of teeth, pitch diameter, major/minor diameters, and flank angles. din 5482 spline standard file type pdf.19