Punte da trapano per mattoni blocco calcestruzzo duro 4,5" seghetto per fori punta diamantata bagnata

4.5 " Wet Diamond Core Drill Bit for Concrete. Your satis faction is our ultimate goal. TypeCore Drill Bit. Surface Finish 1Made of high quality material. Cutting depth13.8"(350mm). Feature 1 Durable Material Beautiful Appearance Good Performance .

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