3pcs Spiral-flute Step Drill Bit Set

3pcs Spiral-flute Step Drill Bit Set

Features:

IdeaIdeal for drilling holes into thin materials such as metal and Stainless Steel, Inox. 
the special sizes from 6mm to 60mm.
Spiral-flute cutting edge for greater drilling application
Flatted shank prevents slipping in drill chuck
Also available with titanium nitride coating for longer life

Patented single-flute cutting edge gives the user a true round hole every time


Sizes of the 3 Step Drill Bits:

  • 4-32mm, 15 step bits: (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm)
  • 4-20mm, 9 step bits: (4,6,8,10,12,14,16,18,20mm)
  • 4-12mm, 5 step bits:(4,6,8,10,12)



Pictures:


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