Large Machined Parts
High‑Volume CNC & Multi‑Spindle Screw Machining for Oversized Components
At Orrco, we’re passionate about precision. Our ISO 9001:2015-certified facility in Greensburg, PA is equipped to handle oversized parts with diameters up to 4 inches, using multi-spindle screw machines and CNC mill-turn technology. Whether you’re in mining, valve manufacturing, or fluid power systems, we deliver large machined parts that meet tight tolerances and demanding specifications.
Capabilities for Large & Complex Parts
Our machining capabilities are built for scale, speed, and precision. We routinely produce large machined parts that require heavy metal removal, complex geometries, and flawless repeatability. Key capabilities include:
- Machining & turning of large diameters with complex geometries
- Single‑process production — multiple cuts completed in one setup for efficiency and accuracy
- Custom‑designed automated secondary equipment for cost‑effective finishing
- High‑volume precision manufacturing without sacrificing quality
- Material expertise in stainless steel, brass, aluminum, and other challenging alloys
Our large machined parts meet ±0.0001” tolerances and are built to perform in demanding environments.
Why Choose Orrco for Large Machined Parts
We understand the challenges of producing large-format parts, from material handling to inspection. ORRCO brings decades of experience, a responsive team, and a commitment to quality that sets us apart.
- Decades of proven experience meeting demanding specifications for oversized components
- Flexible production — economical for both low‑volume and large‑volume orders
- Personalized service — every order gets the attention it deserves
- On‑time delivery backed by a robust production management system
- Precision inspection using optical metrology solutions, calibrated to NIST standards
We specialize in large machined parts for industries where precision is non-negotiable.
Industries & Applications
Our large machined parts are trusted across industries where precision and durability are critical:
- Heavy industry & mining equipment
- Fluid power & hydraulic systems
- Energy & environmental systems
- Other sectors requiring precision‑critical, large‑format components
We work closely with engineers, buyers, and production teams to ensure every part meets your exact specifications.
Our Quality Commitment
From design approval to final inspection, ORRCO maintains strict quality control:
- Regularly calibrated inspection equipment
- Precision testing with advanced optical metrology
- Consistent adherence to customer specifications and delivery schedules
Let’s Build Your Next Large‑Scale Solution
Whether you need 100 parts or 100,000, ORRCO delivers precision, reliability, and value, even for the toughest large part challenges. Our team is ready to quote, collaborate, and deliver.
Request a Quote or Call Today to discuss your large machined part requirements.

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