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Speed Drilling Tool


  • Full refund within 30 days without reason.

  • Shipping>>Express Delivery from California to the Worldwide.

  • BUY 2 OR MORE GET 10% OFF.

  • Limited Stock At This Price.

Titanium Coated Step Drill Bit (3pcs)


  • Automatically Deburrs Holes As You Drill 
  • Two-Flute Design Gives You Faster And Smoother Cutting 
  • Titanium Nitride Coating For Cooler Running 
  • Quick-Change 1/4" Hex Shank 
  • High Speed Steel For Long Life 
  • These Step Drill Bits Are Ideal For Variety Of Materials From Metal, Plastic, Fiberglass To Wood 
  • They Also Help To Enlarge Existing Holes 
  • The Two Flute Design Tips Can Make The Penetration Faster Without Chipping 


  • Material: HSS 
  • 1/4" Hex Shank 
  • Sizes: (approx.)
  • 3-12mm: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm
  • 4-12mm: 4, 6, 8, 10, 12 mm
  • 4-20mm: 4, 6, 8, 10, 12, 14, 16, 18, 20 mm

4241 HighSpeed Steel HSS (Suitable For Use In The Workpieces Whose Hardness Is 25 Degrees Such As Carbon Steel, Plate, Insulation Board, and Wood Board) 
Packing list:
1 set Titanium Coated Step Drill Bit

Package Includes:3 Drill Bits


We ship to 127 countries, including US, CA, AU and all countries in Europe.
Dear Customer, purchase any product here and try it in the comfort of your own home for 14 days.
If for whatever reason you're not completely satisfied, then return the product within 30 days!


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