5/8" Quality Import High Speed Steel 1/2" Shank Drill Bit (S + D type drill)
19/32" High Speed Steel 1/2" Shank Drill Bit (S + D type drill)
37/64" High Speed Steel 1/2" Shank Drill Bit (S + D type drill)
21/32" High Speed Steel 1/2" Shank Drill Bit (S + D type drill)
Drill America DWDRSD Series Qualtech High-Speed Steel Economy Reduced-Shank Drill Bit, Black Oxide Finish, 1/2" Round Shank, Spiral Flute, 118 Degrees Conventional Point, 11/16" Size (Pack of 1)