Straight-sided internal splines are simpler to broach and wire-EDM, particularly in small-batch production or repair environments.
: You can find detailed PDF layouts and CAD-ready dimensions on platforms like Scribd or through official standard distributors like DIN Media . din 5462 spline standard pdf exclusive
For historical research purposes, copies of DIN 5462:1955-09 can be found in: Straight-sided internal splines are simpler to broach and