Precision Twist Drill Combined Drill and Countersink, Center Drill Regular length, Series: 76HA, 3/64 in Drill - Fraction, 0.0469 in Drill - Decimal Inch, #1 Point Diameter, 1/8 in Diameter Body, 1-1/4 in Overall Length, 3/64 in Flute Length, 1/8 in Shank, Straight Shank, 60 deg Included Angle, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Bright, Applicable Materials: Aluminum, Cast Iron, Copper, Hardened Steel, Magnesium, Nickel, Stainless Steel, Steel, Synthetic Materials and Titanium