3/4" Cobalt Reduced Shank Drill Bit, 3/8" Shank, Drill America, D/ACO3/8X3/4

Surface Treated Flutes, Silver and Deming, Cobalt Steel, Bronze Color Oxide, Reduced Shank, Silver and Deming, Size: 1/2, Dec. Equivalent .5000, Flute Length 4-1/2, Overall Length 6, M42 Cobalt, Premium Grade Steel