Harden 614120 4-20mm Step Drill

Code: 02160283
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  • HSS material spiral grooved step drill cut tool
  • Drilling perfectly round holes in steel, brass, copper, aluminum, wood and plastic, pvc sheet, insulation boards, thin iron
  • Drills up different sizes holes with one bit
  • Burr-free and vibration-free drilling
  • Double spiral groove, fast chip removal - effectively block metal chips and damage due to splashing
  • Iron plate/aluminum material opening
  • Heat-treated 
  • Clear laser marking scale
  • 118 degree X-shaped opening reduce drill bit slip
  • 2mm/step 
  • Universal secure handle - does not slip easily, firm and durable
  • Titanium coating surface 
  • Packed by double blister
Details:
  • Size: 4-20mm
  • Length - 73mm
  • Height - 8mm
  • Material - HSS
Available sizes:
  • 4mm-12mm 
  • 4mm-20mm 
  • 4mm-32mm 
Use with :
  1. Electric hand drill
  2. Lithium hand drill
  3. Bench drill
Also available as a set of 3

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