Screw Machine Drill HSS Blk Oxide 3/16 In Standard Number of Pieces 1 Heavy Duty Grade High Speed Steel Black Oxide Finish Split Point Drill Point (Deg.) 135 Fractional Size (In.) 3/16 Decimal Equivalent 0.1875 Flute Length (In.) 1-1/8 Flute Length (mm) 28.575 Overall Length (In.) 2-3/16 Overall Length (mm) 55.5625 For Use on Alloy Steel Carbon Steel Plastic and Cast Iron Materials. Sizes Included 0.1875