Description of Chicago Latrobe 150ASP High Speed 21 Piece
Set of 21 jobber length drill bits includes inch sizes 1/16" through 3/8" in 1/64" 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. Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging. Extra thick web for increased strength and rigidity compared to standard drill bits. Made in the USA.
This is a set of very high quality drill bits that cut fast and retain their sharpness. I have used them on a drill press for different steel grades and they have worked well for me. I would definitely recommend them to others looking for a quality drill bit set. They are damn superior to DeWalt and other "cheap" kits.