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Heller Tools 212830 "990" Stainless Steel/Cobalt/Hss Drill Bit, 0 V, Gold, 4.2 mm, Set of 10 Piece

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Product description

  • Unbeatable in high-alloy steel and stainless steel - the perfect solution for the most challenging drilling
  • Made of special HSS steel with 5% cobalt for extremely long life
  • Pinpoint centring thanks to split point grinding and 135° point angle

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