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4” DTH HAMMER

4 inch with API 2-3/8" PIN Thread

Item Number: RS40

These hammers offer:

  • Constant energy directly behind the bit, which provides more speed and accuracy
  • Longer working life
  • Low air consumption
  • Extra long check provides added protection and life to the external cylinder
  • Airflow volume provided efficient flushing for cleaner holes
  • Easy to assemble/disassemble, service and maintain
  • Portable and easy to operate

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