Precision Twist Drill Combined Drill and Countersink, Center Drill Regular length, Series: 76HA, 3/16 in Drill Size - Fraction, 0.1875 in Drill Size - Decimal Inch, #5 Point Dia, 7/16 in Body Dia, 2-3/4 in Overall Length, 3/16 in Flute Length, 7/16 in Shank, Straight Shank, 60 deg Included Angle, Right Hand Cutting, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Cast Iron, Copper, Hardened Steel, Magnesium, Nickel, Stainless Steel, Steel, Synthetic Materials and Titanium