DRILLCO - 5PC IMP COBALT DRILL SET 9/16-1" BY 8THS - 1000EC5

1000C series S&D Drills expand the size range capacity of a 1/2" portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Cobalt steel for drilling harder materials.
1/2" reduced shank for use in standard drill chucks
135° split-point for self-centering
Made with quality cobalt alloy for extra long life
Bronze surface finish for long life
3-flats on shanks for better grip in handheld power tools