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19 Piece HSS Roll Forged Black Finish Drill Bits Set

19 Piece HSS Roll Forged Black Finish Drill Bits Set; Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of drill bit; Optimal 118 degree grinding processes ensure drill balance, reliable performance and hole tolerance; High quality and competitive price; You can buy it with confidence from Greetools.

Quantity:
  • HSS
  • CUTID
  • 82075090







 19 Piece HSS Roll Forged Black Finish Drill Bits Set 

  • A great general purpose metal cutting drill bit;

  • Hot roll-forged flute with special heat treatment gives additional toughness with increased durability of drill bit;

  • 118 degree tip cutting angle; 

  • This contains: 1.0mm, 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 7.5mm, 8.0mm, 8.5mm, 9.0mm, 9.5mm, 10.0mm.


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