Greenfield Tap & Die 50813

Description

Greenfield Industries Chicago-Latrobe Style 559 1/4″ Letter E X 2 1/2″ Gold Oxide Cobalt HSS Screw Machine Length Drill Bit With 1/4″ Straight Shank And 1 3/8″ Spiral Flute

Features :

Heavy-duty geometry for drilling tougher materials by hand or machine
Shorter flute and overall length provide superior rigidity to minimize deflection when using heavy feed rates
Manufactured from premium cobalt high-speed steel
135 P3 split point is self-centering for reduced thrust and easier penetration, sizes under .0625″ do not have split points
Straw and titanium nitride finishes standard from stock; titanium aluminum nitride is a non-stocked standard alternate coatings available as stock modifications
Straw finish allows for easy identification of cobalt tools
Titanium nitride PVD coating adds lubricity and hardness which enhances chip flow, finish hole quality and drill life
Titanium luminum nitride PVD coating combines the ability to work in high temperatures with added hardness to increase drill life

Product Attributes :

Overall Length : 2.5 in
Drill Material : Cobalt High Speed Steel
Shank Style : Straight
Flute Length : 1 3/8″
Drill Diameter : 1/4″
Flutes : Spiral
Brand Name : Chicago-Latrobe
Drill Type : Screw Machine Length Drill Bit
Shank Size : 1/4″
Drill Coating : Gold Oxide