Greenfield Tap & Die 52439

Description

Greenfield Industries Chicago-Latrobe Style 190F 39/64″ X 6″ Black Oxide HSS S&D Drill Bit With 1/2″ Flat Reduced Shank And 3 1/8″ Spiral Flute

Features :

Larger size general-purpose drills with 1/2″ reduced shank
Manufactured from premium high speed steel
Style 190f features 118 split point through 1-1/4″ size
Round shank or shank with three flats for a more positive grip in the drill chuck, flats reduce drill slippage under high load
Standard 6″ overall length and 3-1/8″ flute length for increased rigidity, less deflection, and better hole accuracy
Standardized lengths result in minimal adjustment during tool changes in screw machines and machining centers
Ideal for portable drilling due to increased rigidity
Black oxide finish standard from stock
Black oxide surface finish increases wear resistance and adds lubricity, improving chip flow

Product Attributes :

Overall Length : 6 in
Drill Material : High Speed Steel
Shank Style : Flat, Reduced
Flute Length : 3 1/8″
Drill Diameter : 39/64″
Flutes : Spiral
Brand Name : Chicago-Latrobe
Drill Type : S&D Drill Bit
Shank Size : 1/2″
Drill Coating : Black Oxide