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6Pcs Titanium Plating Drill Bit Set with Box,HSS High Speed Steel Unibit Drill Bits Set,Multiple Hole Stepped Up Bits for Plastic,Wood,Sheet Metal Hole Drilling (Bagged) : Amazon.it: Fai da te
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Airgas - VIS10220 - IRWIN® SpeedPoint®/Unibit® 7/16" 3-Flat Shank Titanium Nitride Coated Step Drill Bit
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