Norseman Nor-47462 29-Piece Cryogenically Treated Drill Bit Set (1/16″–1/2″)

Description

Norseman 190-CN CN-Tech Cryogenic Drill Bit Set, 135° Split Point, Jobber Length, 1/16″ to 1/2″ by 64ths

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.

Norseman 22903 – 29pc Type 175-VT VORTEX Point Bit Set

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