Parts and assemblies of textile machines, in particular sewing needles, tufting needles, loopers, looper modules and needle modules, felting and structuring needles, jet strips, knitting needles for knitting machines, sinkers, steel pins for actuating needles, knitting needle parts of the aforementioned machines for the production of stitches; system parts for knitting machines, particularly knock-over sinkers, knock-off sinkers, punching needles, needle selection parts, needle pushers, coupl...