Airgas - G2146779 - Greenfield Industries Chicago-Latrobe® Style 550 Letter I X 4 1/8" Gold Oxide Cobalt HSS Heavy Duty Jobber Length Drill Bit With .272" Straight Shank And 2 7/8" Spiral Flute

Hover cursor over image to view larger picture

Greenfield Industries Chicago-Latrobe® Style 550 Letter I X 4 1/8" Gold Oxide Cobalt HSS Heavy Duty Jobber Length Drill Bit With .272" Straight Shank And 2 7/8" Spiral Flute

Airgas Part #:G2146779

Manufacturer Part #:46779

$NA.NA /NA

Each

Enter multiples of 12 Each

Greenfield Industries Chicago-Latrobe® 0.272" Dia X 4 1/8" Gold Oxide Jobber Length Drill Bit with 0.272" straight shank is made of premium cobalt high-speed steel to render extended tool life with added hot hardness. Drill bit with 2.875" spiral flute has a 135 deg P3 self-centering split point for nominal thrust and easier penetration. Heavy-duty drill bit is ideal for drilling in hard, high tensile and work hardening materials under intense operating conditions. It is used in stainless steel, tool steel, alloy steel and titanium material drilling. It is sold as 12 per pack.

Manufactured to nas 907 type j geometry aerospace specifications
Heavy-duty construction for drilling in tough, high-tensile and work hardening materials under extreme operating conditions
Manufactured from premium cobalt high-speed steel, increasing hot hardness and extending drill wear life
135° P3 split point is self-centering for reduced thrust and easier penetration
Metric drills are manufactured to DIN 338 OAL and flute length specifications
Straw finish adds lubricity and easily identifies cobalt drills
Titanium nitride (TiN) coating adds lubricity and hardness, enhancing chip flow, finish hole quality, and drill life
Titanium aluminum nitride (TiAlN) coating combines the ability to work in high-temperatures with added hardness to increase drill life

Brand Name

» Chicago-Latrobe®

Drill Material

» Cobalt High Speed Steel

Shank Size

» .272"

Flutes

» Spiral

Drill Coating

» Gold Oxide

Shank Style

» Straight

Drill Type

» Jobber Length Drill Bit

Overall Length

» 4.125 in

Flute Length

» 2 7/8"