Mining

Underground hard rock drills

As you look to address the challenges posed by tough hard rock mining environments productively and efficiently, we offer a full line of capable and versatile jumbo drills that are built on a common platform for increased user adoption and efficient training.

Komatsu ZB21 underground hard rock drill
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ZJ21 ZJ21B

  • Face coverage 66 sq. m 710 sq. ft.
  • Maximum drifter size JZD27 (27 kW) JZD27 (27 kW)
  • Maximum feed length 4 m 16 ft.

Underground hard rock mining industry

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