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Vires 3.5mm HSS Cobalt CO5 Drill Bit

The range of HSS Cobalt Drill Bits from Vires offer industrial strength ideal for hard tasks like drilling into cast, stainless steel and other high alloys. Holds hardness at higher temperatures for improved durability and industrial quality ground flute for high accuracy drilling.
The drill bit body is manufactured from high quality HSS steel containing 5% Cobalt (Co). The added 5% Cobalt improves the red hardness (heat resistance) of the drill bit and results in significantly extended life.
Makes light work of tough jobs such as drilling out high tensile bolts and studs. For use with all electrical drills.


  • Diameter: 3.5mm
  • 5% Cobalt
  • Fully Ground Drill Bit
  • 135° Angle Tip
  • Industrial Strength

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