Down the hole hammers

  • 4"-20" class hammers
  • Center Rock’s CR line of down-the-hole drills are reliable drilling workhorses that stand up to the most demanding conditions you can find. A valveless air cycle provides consistent drilling performance and reliability foot after foot and year after year. Some CR series hammers are available with integrated jetted backheads as well as bit retainer systems for deep-hole drilling applications.

  • Great balance of simplicity and performance.
  • Robust and reliable with minimal moving parts.
  • Reversible casing.
  • Solid piston.
  • Industry standard bit shank.

Center Rock CR Series

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