10-Piece Rotary Percussion Drill Bit Set

10-Piece Rotary Percussion Drill Bit Set #1890227

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10-Piece Rotary Percussion Drill Bit Set Features:

  • Fits all hammer drills with 3-jaw or Jacobs chuck
  • Chrome vanadium shaft through-hardened to 50-53HrC
  • Patented flute geometry removes dust from the hole quicker for fast drilling and long life
  • Up to 150% faster than other competitive bits
  • Shot-peened, double-tempered finish reduces breakage
  • Hot isostatically pressed to extend life and resist breakage
  • Includes an IRWIN Pro Set Case made of durable molded ABS resin, so it can hold up to anything the jobsite throws at it. Case includes a full-length metal hinge pin for maximum durability and long life, and bit identification is simple with easy-to-read size markings. 

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Item #Contents
1890227Includes one each 1/8", 5/16", 3/8", 1/2", and two each 5/32", 3/16", 1/4" Rotary Percussion Straight Shank Drill Bits