CNCALPARTS
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info@cncalparts.com
Precision Capabilities

Precision Capabilities

Deep-dive guides on how CNCALPARTS holds tight tolerances, bores, threads, flatness, and surface finish in aluminum CNC machining. Everything here is built around one material and one discipline: aluminum, only aluminum.

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Tolerance
Down to ±0.01 mm
Surface Roughness
Ra 0.8–3.2 μm
Flatness
Down to 0.02 mm
Axes
3, 4 & 5-Axis

What this category covers

  • Tight tolerance machining, precision holes, and precision bores.
  • Thread integrity, position, and concentricity control.
  • Flatness, parallelism, and cosmetic surface finish.
  • Anodizing-ready geometry and repeatable production.

Based in Shenzhen, China. Serving robotics, automation, electronics, optics, and industrial equipment teams worldwide.

Precision is a process, not a single pass

In aluminum, tight tolerances depend on cutting conditions, chip evacuation, workholding, heat, and deformation control. CNCALPARTS machines aluminum exclusively, so these challenges are addressed on every job rather than treated as exceptions.

Tolerance Control

General machining to ±0.05 mm, with precision features held down to ±0.01 mm on holes, bores, and critical fits.

Geometric Accuracy

Flatness, parallelism, and position tolerances down to 0.02 mm for sealing surfaces, optical mounts, and structural plates.

Surface Finish

Surface roughness of Ra 0.8–3.2 μm, with bead blasting, brushing, polishing, and anodizing preparation handled in-house.

Thin-Wall & Deep Pockets

Minimum wall thickness of 0.5 mm and controlled stress release for large pockets and deformation-prone geometry.

Precision Features

Minimum hole diameter of Ø1.0 mm, threads from M1.6, precision bores, and multi-sided 5-axis features.

Verified Inspection

CMM, height gauges, micrometers, calipers, bore and pin gauges, thread gauges, and surface roughness testers, with reports on request.

Built for aluminum, from prototype to production

CNCALPARTS supports 1–10 piece prototypes, low-volume runs of 10–500 pieces, and recurring production of 500+ pieces. Setups, tooling, and inspection are planned around repeatability so the tenth part matches the first.

  • Aluminum alloys only: 6061, 6063, 6082, 7075, 2024, 5052, 5083
  • Milling up to 1000 × 600 × 500 mm
  • Turning up to Ø300 mm and 500 mm length
  • STEP, STP, SLDPRT, IGES, X_T, DWG, DXF, and PDF drawings

Why a single-material focus matters

Because aluminum is our only material, tooling, cutting parameters, workholding, deformation control, and anodizing preparation are tuned to one material family. That consistency is what makes tight tolerances repeatable.

We machine aluminum. Only aluminum.

Precision Capabilities Articles

Browse technical guides on the machining challenges we solve every day. Each article covers the process, the risks, and how CNCALPARTS keeps aluminum parts accurate and repeatable.

Have a tight-tolerance aluminum part?

Send your 3D model and technical drawing to CNCALPARTS. We will review tolerances, critical dimensions, surface requirements, and inspection needs before production begins.

Request a Quote Email info@cncalparts.com
  • Prototype 1–10 pcs
  • Low Volume 10–500 pcs
  • Production 500+ pcs
  • Location Shenzhen, China

Start your aluminum machining project

Share your drawings and application details. CNCALPARTS will come back with manufacturability feedback, lead time, and a quote for your aluminum parts.

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