Norseman Nitride-Cryogenic Treated 29 Pc Drill Bit Set (47462)

• Cryogenic treatment creates a more uniform "grain" structure by transforming retained austenite into martensite. 
• Modifies the carbon microstructure through precipitation of carbides increasing resistance to wear.
• Nitride process diffuses nitrogen into the surface to create a case hardening resulting in superior tool life
  and exceptional corrosion resistance. 
• Recommended for work hardening grades of stainless steel and other hard metal drilling application.
• Drill sizes: 1/16" — 1/2" by 64ths
• CN-TECHTM 135 ̊Split point
• EDP# 47462

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