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 would not spin out in the drill.
2 flutes cut faster and keep bit cooler
Fast-starting, non-walking drill tip
High-visibility silver step targets for primary hole sizes
13 hole sizes
Thick 3/8 in. hex shank provides a firm, positive grip and won't spin out in the drill