step drill bit set for metal and wood

  • Material: High Speed Steel 
  • Color: Gold
  • Surface Treatment: Titanium Plating
  • Strp Drill Bits: 4-12mm / 4-20mm / 4-32mm
  • Saw Drill Bits: 3mm / 6mm / 8mm
  • Include: 3pcs Strp Drill Bits & 3pcs Saw Drill Bits


  • Made of high speed steel material, stable and durable to use.
  • Titanium plating treatment.
  • Two Flute Design For Faster, Smoother Cutting.
  • The step drill bits Set replaces 29 individual drill bits.
  • High strength, hardness and easy to use.
  • Suitable for Drilling in Wood, Plastics, Steel, Aluminium and other Non Ferrous Metals.