precision cnc machining inc

At Precision CNC Machining Inc., we are the cornerstone of advanced manufacturing, delivering unparalleled accuracy and complexity in component production. Our core expertise lies in 5 Axis Precision CNC Machining, a technology that allows us to machine intricate geometries from five different sides in a single setup. This capability is fundamental to our Precision machining services, ensuring tight tolerances, superior surface finishes, and exceptional repeatability for every batch of CNC machining parts. We support industries ranging from aerospace and medical to automotive and robotics, providing solutions that meet the most stringent specifications. For those interested in the technical foundations of our work, we also offer resources and a structured precision machining course designed to deepen understanding of modern manufacturing principles.


The operational backbone of Precision CNC Machining Inc. is our state-of-the-art machine park and rigorous quality management system. We utilize a fleet of advanced multi-axis CNC milling and turning centers, supported by a comprehensive suite of in-house inspection equipment including CMMs, optical comparators, and surface roughness testers. This integrated approach allows us to maintain full control over the production cycle, from initial raw material verification to final part validation. Our engineering team works collaboratively with clients through Design for Manufacturability (DFM) consultations to optimize part designs for cost-effectiveness, performance, and manufacturability without compromising integrity. Every project at Precision CNC Machining Inc. follows a documented process flow to ensure traceability and consistent adherence to the defined parameters, which are detailed below.

Core Manufacturing Capabilities

  • Multi-Axis Machining: Simultaneous 5-axis milling, complex contouring, and deep cavity machining.
  • Material Expertise: Processing a wide range of materials including aluminum alloys, stainless steels (304, 316, 17-4PH), titanium, brass, copper, and engineering plastics like PEEK and Delrin.
  • Tolerance Standards: Standard machining tolerances of ±0.005 inches (±0.127 mm), with high-precision capabilities down to ±0.0005 inches (±0.0127 mm) where required.
  • Surface Finishes: Standard finish of 125 Ra µin, with fine finishing options available down to 8 Ra µin or better for critical applications.
  • Secondary Services: Comprehensive post-processing including anodizing, powder coating, passivation, heat treating, and assembly.

Standard Part Specifications & Quality Metrics

Parameter Standard Capability High-Precision Capability Inspection Method
Dimensional Tolerance ±0.005" (±0.127 mm) ±0.0005" (±0.0127 mm) CMM, Precision Micrometers
Positional Tolerance ±0.002" (±0.051 mm) ±0.0002" (±0.005 mm) CMM with Volumetric Accuracy Compensation
Surface Roughness (Ra) 125 µin 8 µin (or as specified) Portable Surface Roughness Tester
Roundness/Cylindricity 0.001" (0.025 mm) 0.0001" (0.0025 mm) Roundness Measuring Instrument, CMM
Maximum Part Size (5-Axis) 40" L x 25" W x 30" H (1016 x 635 x 762 mm) Laser Scanner for Large Part Profiling
Material Certification Mill Certificates Provided; Material Traceability Maintained Supplier Audit & In-House Verification

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