Center Rock, Inc. (CRI)
Precision Machining Services for Critical Drilling Applications
Center Rock offers in-house custom machining services to support the unique needs of rock drilling contractors, engineers, and OEM partners. Whether you need a one-off component, small batch, or large diameter tooling—our machining team has the equipment and experience to deliver with precision and speed. From large-diameter turning to specialty thread profiles, our custom machining capabilities are engineered to handle rugged jobs and critical tolerances—because we build tools that are meant to perform under pressure.
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Our Machining Capabilities
Large-Diameter Lathe Work
- Machining of mild steel, alloy steels, and heat-treated components
Mill Services
- CNC machines for complex geometry
Integrated Services
Full collaboration with engineers for design-to-build support
- Turning capabilities up to 36" OD
- Custom threads and shoulder profiles for drilling tools and subs
- Precision pocketing and surface milling
- Drilling and tapping for mounting hardware or integrated connections
- Machining support for Center Rock’s fabrication and repair centers
- Full collaboration with engineers for design-to-build support
Common Projects We Support
- Custom hammer adapters and drive subs
- Bit repair and shoulder modifications
- Thread repair or re-machining of used components
- Specialized drill rods, couplings, and collars
