Klein Tools KTSB03 Step Drill Bit Double Fluted #3, 1/4 to 3/4-Inch

Step Drill Bit #3 Double-Fluted

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.