Description of Chicago Latrobe High Speed Finish Conventional
Manufactured from premium high-speed steel. Taper shank made to American National Standard (Morse) dimensions. Black oxide finish for increased wear resistance and added lubricity standard from stock. Country of origin: United States.
Chicago Latrobe Drills are a quality product. It is difficult to find a large drill in various Morris tapers that will fit in the tailstocks of lathes and vertical milling machines. Revain has the best choice I've found if you need to purchase individual instruments.