DeWALT DWA1783IR Step Drill Bit, 1/8 to 1/2 in Dia, Spiral Flute, 2-Flute, 1/4 in Dia Shank, Hex Shank

Equipped with a split-point tip that helps to increase speed and starts on contact, DeWALT features an innovative double-spiral flute design for long-life and outstanding chip removal. Laser-engraved numbers helps to increase step visibility. Optimized for impact drivers. Works with rotary drills.