GSR Professional machine tap M6, thread cutter for stainless steel DIN 371, HSSE-VAP metal drill, through hole core drill, shape B, reinforced shaft for metric threads : Amazon.de: DIY & Tools
Maschinengewindebohrer M6 Durchgangsloch (HSS-G, DIN371/76, geschliffen, Form B, mit Schälanschnitt, Metall und Edelstahl tauglich) : Amazon.de: Baumarkt