Klein Tools High Speed Steel Double Flute Step Drill Bit 1 pc

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8'' hex shank provides a firm, positive grip and won't spin out in the drill. Two flutes cut faster and keep bit cooler. Fast-starting, non-walking drill tip. High-visibility silver targets for primary hole sizes. Thick 3/8" hex shank won't round out in the drill chuck for a more positive grip. 12 hole sizes.