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Opal And Ring Queen

12 -Piece X 12-In Cobalt Aircraft Length Twist Drill Bit

12 -Piece X 12-In Cobalt Aircraft Length Twist Drill Bit

Regular price $135.23 USD
Regular price $0.00 USD Sale price $135.23 USD
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Drill America Cobalt Aircraft Extension Drills are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools; performance is similar to uncoated tools. Drill America Aircraft Extension Drills are manufactured to National Aerospace Standard 907. The 135° split point is self-centering and reduces thrust. Sizes smaller than 1/16 have the 118° standard point. Drill America Aircraft Extension Drills are available in 6 in. and 12 in. overall lengths when extra reach is required.

  • Effective in drilling tough, high tensile strength materials like stainless steel, inconel and titanium
  • Display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel
  • Manufactured to National Aerospace standard 907
  • 135 split point is self-centering and reduces thrust
  • Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools, performance is similar to uncoated tools
  • 12-in overall length for drilling where extra length for reach is required
  • M35 Cobalt Drill Bit
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