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  • Brand new and high quality.
  • Type: 3-13MM (11 steps:3, 4,5,6,7,8,9,10,11,12,13MM).
  • 4241 high-speed steel, used in hardness under 25 ° workpiece, the plate thickness under 5 mm. such as carbon steel plate, sheet iron, insulation boards, wood.
  • Cannot be used for stainless steel.
  • When inject cold water while working, can effectively extend the service life of the drill bit.


  • Material:HSS 4241.
  • Shank :1/4 Hexagonal.
  • Surface treatment: titanium.
  • Tools: pistol drill, bench drill.

Package Included:

  • 1x 3-13mm Stepped drill.

NO Retail Box. Packed Safely in Bubble Bag.

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