Vulcan 231091OR Jobber Drill Bit, 3/16 in Dia, 3-1/2 in OAL, 3-Flat Shank

High speed steel with a 135 deg split point that eliminates the need for center punch and keeps drill from skating on hard surfaces. Used to drill most ferrous and non ferrous metals. All sizes 3/16 in and larger have three flats on the shank for a better grip on the chuck. Jobber length.