DEWALT DW1920 Drill Bit, 5/16 in Dia, 4-1/2 in OAL, Spiral Flute, 3-Flat Shank

With a Pilot-Point tip that starts on contact, DeWALT® gold ferrous drill bits deliver clean, accurate holes and help to reduced lock-ups. A no-spin shank eliminates the bit spinning in the chuck and a tapered web provides helps to increased durability to help to reduce breakage. Size markings are located above the shank to helps to prevent wearing.