Norseman CT-29P CN-TECH Cryo Nitride Jobber Length 29 Piece Drill Bit Set

Magnum Super Premium CN-TECH Cryo Nitride Drill Bit Set

Type 190-CNCryogenic treatment creates a more uniform “grain” structure by transforming retained austenite into martensite.

Modifies the carbon micro-structure 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.

Set includes 1/16" thru 1/2" by 64ths. Organized in a Red Ultra Dex Case.