Center Rock Inc

CR 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 models are available with integrated jetted backheads as well as bit retainer systems for deep-hole drilling applications.
CR 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 models are available with integrated jetted backheads as well as bit retainer systems for deep-hole drilling applications.