Ultimate Step Drill Bits™ (Big Sizes)

  • Sale
  • $32.99
  • Regular price $69.99


  • 100% brand new and high quality.
  • TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability
  • SPLIT POINT TIP | increases cutting speed with self-centering and prevents walking
  • Spiral Flute DESIGN | clears chips faster and allows particles to escape easily
  • Hex SHANK | fits into power tools chuck securely and eliminates slip
  • Ideal for variety of materials from metal, plastic, fiberglass to wood. They also help to enlarge existing holes.


  • 4-12mm Hole Sizes in 2mm Steps   ( 4mm, 6mm, 8mm, 10mm, 12mm ).
  • 4-20mm Hole Sizes in 2mm Steps  ( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm ).
  • 4-32mm Hole Sizes in 2mm Steps ( 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm ). 


  • DIY Projects, WoodWorking, electrical installation work, panel beating, Auto processing, aviation, etc.

Package included:

  • 3pc x Spiral Grooved Step Drill




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