CNC Machining Services for Custom Parts Manufacturers

Turning your unique designs into high-precision, functional components requires a partner with expertise and advanced capabilities. Our comprehensive 3D CNC Machining Services offer exceptional versatility for complex geometries from a vast selection of metals and plastics. For the most intricate parts requiring undercuts and compound angles, our advanced 5 Axis CNC Machining Services provide unmatched precision in a single setup, reducing lead times and improving accuracy. The entire process is streamlined through our user-friendly CNC Machining Services Online platform, allowing for instant quoting, seamless file upload, and real-time project tracking. This commitment to digital efficiency defines our Custom Online CNC Machining Services, making professional-grade manufacturing accessible and straightforward for prototypes and production runs.


At the core of Precision Machined Parts Co. is a dedication to material excellence and strict tolerances. We machine a wide array of materials to meet diverse application demands, from aerospace to medical devices. Our standard capabilities ensure your <产品名字> are produced to the highest specifications.

Material Selection

  • Metals: Aluminum (6061, 7075), Stainless Steel (304, 316), Steel (Mild, Alloy), Brass, Copper, Titanium.
  • Plastics: ABS, Delrin (POM), Nylon (PA66), Polycarbonate (PC), PEEK, Ultem (PEI).

Standard Machining Tolerances

Feature Standard Tolerance Fine Tolerance (On Request)
Linear Dimensions ±0.005" (±0.127 mm) ±0.001" (±0.025 mm)
Hole Diameters ±0.002" (±0.051 mm) ±0.0005" (±0.013 mm)
True Position 0.010" (0.254 mm) MMC 0.002" (0.051 mm) MMC
Surface Finish (Ra) 125 μin (3.2 μm) 32 μin (0.8 μm) or better

Key Specifications & Capabilities

  • Maximum Part Size: 48" x 24" x 20" (1219 mm x 610 mm x 508 mm).
  • Axis Capabilities: 3-axis, 4-axis, and 5-axis simultaneous machining.
  • File Formats Accepted: STEP, STP, IGES, IGS, SLDPRT, X_T, PAR, PRT.
  • Lead Time: Standard prototypes in 3-5 days; production volumes quoted per project.
  • Secondary Services: Anodizing, Powder Coating, Passivation, Heat Treatment, Assembly.

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