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Amazon.com: Bosch Professional Forstner Drill Bit (Ø 40 mm, Length 88 mm, Drill Accessories) : Industrial & Scientific
Amazon.com: 40mm Forstner Bit
Bosch Professional Forstnerbohrer (für Holz, Ø 40 mm, Länge 90 mm, Zubehör Bohrmaschine) : Amazon.de: Baumarkt