8Pcs HSS Twist Drill Bit Kit 14-25.5mm,1/2" Shank Lathe Reduced 3-Flat Shank 135° Split Point,for Steel/Wood/Copper/Aluminum

8Pcs HSS Twist Drill Bit Kit 14-25.5mm,1/2" Shank Lathe Reduced 3-Flat Shank 135° Split Point,for Steel/Wood/Copper/Aluminum

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