A textile machine tool part having a tool core that consists of a core material, wherein at least in one section, the tool core comprises a core surface having a microstructure, which has been created by electrochemical etching, wherein the tool core is used as anode in a bath of chromic acid solution having 50-300 g chromium trioxide per liter, a dwell time of the tool core in the bath is between 10 seconds up to 1800 seconds depending on the depth or height of the depressions and the elevations of the microstructure to be produced, at a temperature of 20°C to 60°C, a current density of 20-40 A/dm 2 and an etching duration of 30 seconds to 1200 seconds, wherein the depressions and the elevations of the microstructure of the core surface adjoin one another, wherein the elevations in the region of their respective maximum and the depressions in the region of their respective minimum have a spherical surface segment-shaped contour, wherein with view on the core surface the depressions are deepened in a concave manner in relation to a reference plane, while the elevations are elevated in a convex manner in relation to this reference plane, wherein the diameter of each depression and each elevation is a maximum of 50-60 pm and wherein the distance of the minima of the depressions from the maxima of directly adjacent elevations is a minimum of 10-20 μm and a maximum of 40-60 μm, wherein the core surface with the microstructure is at least partly coated with a wear-resistant coating that has a layer thickness (d) of at most 20 μm and wherein the wear-resistant coating also comprises a microstructure , due to the microstructure of the core surface . wherein at least in one section, the tool core comprises a core surface having a microstructure, which has been created by electrochemical etching, wherein the tool core is used as anode in a bath of chromic acid solution having 50-300 g chromium trioxide per liter, a dwell time of the tool core in the bath is between 10 seconds up to 1800 seconds depending on the depth or height of the depressions and the elevations of the microstructure to be produced, at a temperature of 20°C to 60°C, a current density of 20-40 A/dm 2 and an etching duration of 30 seconds to 1200 seconds, wherein the depressions and the elevations of the microstructure of the core surface adjoin one another, wherein the elevations in the region of their respective maximum and the depressions in the region of their respective minimum have a spherical surface segment-shaped contour, wherein with view on the core surface the depressions are deepened in a concave manner in relation to a reference plane, while the elevations are elevated in a convex manner in relation to this reference plane, wherein the diameter of each depression and each elevation is a maximum of 50-60 pm and wherein the distance of the minima of the depressions from the maxima of directly adjacent elevations is a minimum of 10-20 μm and a maximum of 40-60 μm, wherein the core surface with the microstructure is at least partly coated with a wear-resistant coating that has a layer thickness (d) of at most 20 μm and wherein the wear-resistant coating also comprises a microstructure , due to the microstructure of the core surface . <EOS>