3PCS HSS Step Bits, High Speed Steel Step Drill Bits Set - (4-12mm, 4-20mm and 4-32 mm) Cone Drill Bits Hole Cutter for Wood, Stainless Steel, Sheet Metal

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  • 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.
  • Material HSS combined with a titanium coating. More capable and durable.
  • Easy Drilling Two-Flute Design for smoother cutting. High Step design let you feel the stop and never drill bigger in mistake
  • SET INCLUDES Bit #1 (5 steps) 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm); Bit #2 (9 steps) 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm); Bit #3 (15 steps) 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)
  • Package Included 3-Piece HSS Groove Step Drill Bit (4-12 4-20 4-32mm ) + 1 Automatic Center Punch. 1 4" Hex shaft drives are suitable for all kinds of for home DIY power drills.

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