5/8 x 13" Spline Speed-X Rotary Hammer Bit (HC4021)


Bosch brings constant innovation to concrete and masonry drilling. The product's tungsten-carbide tip provides superior wear resistance in tough applications. Resists extreme loads while its efficient design helps enhance the power of the hammer for more effective performance.


  • Tungsten-carbide tip provides superior wear resistance in tough applications
  • Patented four-cutter tip design that provides optimal performance
  • Large flute volume for fast drilling, dust transport and less clogging
  • Active-centering tip for optimum guidance when drilling in concrete and reinforced concrete
  • Specifications

  • Bit Diameter Inch: 5/8"
  • Diameter: 5/8"
  • Flute Length: 8.0"
  • Length: 13.0"
  • Overall Length: 13.0"
  • Shank Diameter: 0.0
  • Useable Length: 8"
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