Drill America D/ACO25P12 #25 Cobalt Heavy Duty Drill Bit (Pack of 12), D/ACO Series
Drill America D/ACO25P12 #25 Cobalt Heavy Duty Drill Bit (Pack of 12), D/ACO Series
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Drill America D/ACO25P12 #25 Cobalt Heavy Duty Drill Bit (Pack of 12), D/ACO Series

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Key item features

  • Cobalt Composition: Cobalt steel tools offer enhanced performance over high-speed steel, particularly for cutting harder metals like stainless steel and nickel alloys, due to increased cobalt content.
  • Gold Oxide: Features a gold oxide surface treatment, which is a thinner oxide layer compared to black oxide, primarily used for identifying cobalt steel tools with performance similar to uncoated tools.
  • Round Shank: Equipped with round shanks, allowing for versatile use and compatibility with a wide array of toolholding systems.
  • Spiral Flutes: Designed with spiral flutes that, when run counterclockwise (right-hand cut), efficiently evacuate chips up and out of the cut, preventing clogging.
  • Aerospace Standard: Manufactured to meet the stringent requirements of National Aerospace standard 907, ensuring premium quality and reliability.
  • Heat Resistant: Made from heat-resistant cobalt steel, exhibiting higher red hardness, which permits drilling speeds up to 30 percent greater than High-Speed Steel drills.
  • Tough Materials: Especially effective for drilling tough, high tensile strength materials such as PH stainless steel, Inconel, and titanium.
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