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IRWIN 10502559 IW10502559 HSS Cobalt Drill Bit (Din 388, 7.0-Millimetre x 109-Millimetre) Gold

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Product description

  • A 135-degree split point grinding ensures perfect centring and reduced drilling pressure.
  • Industrial quality ground flute for high accuracy drilling and fast removal of chips.
  • Cobalt alloyed drill bit body provides increased heat resistance and a significantly extended service life.
  • Golden tempered surface resists rust and corrosion.
  • This COBALT drill bit features a working length of 69 Millimetres.

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