Norseman NOR-47462 - Drill 1/16 - 1/2 29 Pc Cryogenic Drill Bit Set low profile Easy Access Design: Compact profiles

Easy Access Design: Compact profiles with a durable belt clip for convenient storage and quick access

Constructed from ultra-stiff

and other plastic pipe

506 with a 2-1/5 " throat x 6 " capacity up to the GSCC5

Norseman NOR-47462 - Drill 1/16 - 1/2 29 Pc Cryogenic Drill Bit Set low profile Easy Access Design: Compact profilesNorseman 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