IRWIN 5026013 Drill Bit, 7/16 in Dia, 13 in OAL, Percussion, Spiral Flute, 1-Flute, 3/8 in Dia Shank

Nickel plated for fast, smooth performance. Carbide tip can be used for rotary drilling applications also for deep drilling. Slow spiral for quick and easy debris removal, 7/16 in and larger drill bits have reduced shanks.