Bosch 7/8 In. x 18 In. SDS-plus Bulldog Rotary Hammer Bit

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Item Number
Carbide tipped for long life in tough applications. Centric tip ensures quick starts in concrete. Wear mark alerts user when tip wears beyond ANSI specification. Bit runs cooler thanks to improved flute design.


  • Optimized brazing and hardening process for long life
  • 15% faster (compared to S4L)
  • Bosch-made carbide tip is tougher and more durable under heavy loads
  • Proprietary Bosch hardening process results in more holes per bit
  • Ideal for anchoring and through-hole applications in concrete
  • 4-flute design for fast dust removal
  • Centric tip for optimal hole geometry


  • Diameter 7/8"
  • Flute Length 16.0
  • Length 18.0"
  • Useable Length 16"
More Information
Item Number HC2147
Weight 1.000000
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