flintronic Step Drill Set, 3PCS 4mm to12 20 32mm (5/32" to 5/4") HSS Titanium Coated Double Slot Cone Cutting Drill for Plastic Wood Metal

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Product description

  • Material HSS combined with a titanium coating. More capable and durable.
  • 3 PCS Step Drill Bit Set Bit #1 (5 steps) 4-12mm (4, 6, 8, 10, 12); Bit #2 (9 steps) 4-20mm (4, 6, 8, 10, 12, 14, 16, 18, 20); Bit #3 (15 steps) 4-32mm (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28,30,32)
  • Easy Drilling Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake.
  • Widely Used Perfect Step Drill Bits suitable for drill holes in various material within 3mm 0.12 inch (Iron Plate, Copper Plate, Aluminum Plate); within 5mm 0.2 inch (Wood, PVC sheet, Insulation Boards). Not suitable for hard and brittle materials such as stainless steel, glass, tile floors, walls etc.

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