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-Inch hex shank provides a firm, positive grip and wont spin out in the drill.
- Two flutes on this Step Drill Bit cut faster and keep bit cooler
- Fast-starting, non-walking tip
- High-visibility silver targets for primary hole sizes