Spiral Grooved Step Drill Bit Set, High Speed Steel Titanium Coated, 4mm to 12/20/32 mm (5/32" to 5/4") Hex Shank Metric, HSS Cut Tool Set for DIY Plastic Wood Metal Aluminum Copper

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Product description

  • Application Suitable for sheet metal, sink, car repair, etc. Widely used to cut holes in a variety of material like plate, aluminum, insulation board, PVC board, the thickness of wood within 5mm.
  • HSS & Titanium Coated Made of super strong HSS steel and coated with Titanium, Titanium coating ensures easy cutting steel, Aluminum sheet, Brass, Copper, plastic, wood etc.
  • Hex Shank 1 4"(6.35mm) hex shank work with most drill or drills with 1 4" chuck , fits into power tools chuck securely and eliminates slip.
  • Convenience Step drill allows to cut several sizes hole with one drill bit, easily without changing bit constantly.

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