Irwin 326008 Rotary Hammer Drill Bit, 5/16 in Dia, 4-3/4 in OAL, Percussion, Twist Flute, 2-Flute, 5/16 in Dia Shank

Description

Bit will fit all hammer drills with three-jaw or Jacobs chuck and features a chrome vanadium shaft through hardened to 50-53HrC, shot-peened, double-tempered finish, flute geometry removes dust from the hole quicker, copper braze material gives high heat-resistance. All tips made to ANSI specifications.