Chicago Latrobe 120X High-Speed Steel Extra-Long Length Drill Bit, Black Oxide Finish, Round Shank, 118 Degree Notched Point, 1/2" Size (Pack of 1) Extra-long length drill bit reaches farther and drills deeper than a jobber or long length drill bit High-speed steel (HSS) provides hardness for wear resistance Black oxide finish reduces wear while promoting chip and coolant flow on ferrous materials Self-centering 118-degree notched point penetrates material without a pilot hole more easily than a conventional point, and maintains a sharp cutting edge Extra thick web provides increased strength and rigidity compared to standard drill bits Made in the USA