Norseman NOR-47462 - Drill 1/16 - 1/2 29 Pc Cryogenic Drill Bit Set stile and rail bit (1) EXACT 3/4" Punch

(1) EXACT 3/4" Punch

Hardwood Flooring

down to 1" (25mm) wide

Thin Kerf blade for fast and clean cuts

Compact design for easy access to tight spaces

Norseman NOR-47462 - Drill 1/16 - 1/2 29 Pc Cryogenic Drill Bit Set stile and rail bit (1) EXACT 3/4" PunchNorseman 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