Reduction stake and set of reduction stakes

摘要

Reduction insert (1) in a hollow cylindrical shape for wrenches and nuts, having an outer profile (2) and an inner profile (3), each of which is designed as a double hexagon or twelve-sided profile, with an outer diameter of the reduction insert (1) corresponding to one of the DIN standardized Key sizes 10, 13, 17, 19, 22, 24, 27, 30, 32, 34, 36 and 38 and wherein an inner diameter of the reduction insert (1) corresponds to a smaller key size than that of the outer diameter, characterized in that the reduction insert (1) is axially conical and not circumferentially closed, the width of a recess being not less than 1 mm.