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GSR Professional Tap Set Inch Thread, 3 Pieces, UNC 1/4 Inch, 20 Speed, HSSG Tripod Thread, With Taper Tap, Centre Tap and Bottom Tap, Core Hole Drill for Through Hole and Blind Hole : Amazon.de: DIY & Tools
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GSR PROFI Gewindebohrersatz Zollgewinde, 3-teilig, UNC 1/4", 20 Gang, HSSG Stativgewinde, Mit Vorschneider, Mittelschneider & Fertigschneider, Kernlochbohrer für Durchgangsloch & Sackloch : Amazon.de: Baumarkt
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