1 1/2 HSS ECO 1/2" RSD SHANK DRILL
Eco Pro Silver & Deming Drill Bit, 1-1/2" Diameter, 1.5000 Decimal Equivalent, 3-1/8" Flute Length, 6" Overall Length, M2 High Speed Steel, Black Oxide Finish, 118 degree Point, 1/2 Reduced Shank, Right Hand Spiral, 1 per Tube