Description of Chicago Latrobe High Speed Reduced Shank Conventional
Set of 5 reduced shank drill bits includes inch sizes 1/4" through 1/2" in 1/16" increments. High-speed steel (HSS) provides hardness for wear resistance. Black oxide finish reduces bit wear while promoting chip and coolant flow on ferrous material. 118-degree conventional point for a range of drilling applications. Standardized shank enables drills with a 1/4" chuck to drill large-diameter holes. Made in the USA.