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CN-TECH Premium 29 Pc. Cryogenic Nitride Heavy-Duty HSS Drill Set by NORSEMAN/ CTD

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America's Finest High-Speed Steel Cutting Tools™ by NORSEMAN/ CTD

Cryogenic Nitride  Heavy-Duty High Speed Steel 135 Split point Twist Drills

Cryogenic Treatment -

  • Create uniform grain structure resulting in sharper cutting edges and prolonged edge retention.
  • Modifies the carbon micro-structure increasing resistance to wear.

Nitride Process -

  • Case hardening resulting in superior tool life and exceptional corrosion resistance.

29pc. Ultra Dex   1/16" - 1/2" by 64th

Proudly Manufactured in the USA