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Precision CNC Milling Services

We deliver high-precision milled parts via 3/4-axis processes, supporting prototypes and high-volume production. Typical applications include structural brackets, housing enclosures, manifold blocks, and tooling plates.

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    Own post-processing workshop
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    Full material adaptation, stainless steel/aluminum alloy/titanium alloy, etc.
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    Tolerance to ±0.01 mm, surface finish Ra 0.8–1.6 μm as standard
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    More than 20 years of factory experience
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  • MOQ

  • Rapid prototype to production transition

  • Multi-axis milling capability

  • ISO 9001:2015 certified QMS

Our CNC Milling Processes

Peripheral Milling

Cuts along the circumference of the workpiece, typically used for grooves or slots.

End Milling

Uses a rotating cutter to mill vertical surfaces, often for making pockets or contours.

Drilling

A cutting process that creates round holes using a rotating drill bit.

Typical CNC Milling Parts

  • Mount Bracket
  • Valve Block
  • Heat Sink
  • Fixture Plate
  • Mold Insert
  • Motor Base
  • Lock Plate
  • Gear Hub
  • Shaft Block
  • Sensor Holder

Have a similar part to manufacture?

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CNC Milling Materials

  • . Metal .
    • Aluminum (2A12, 5052, 6061, 7075)
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    • Steel (201, 303, 304, 316, 430)
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    • Titanium
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    • Copper / Brass
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    • Zinc (Zn)
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    • Alloy Steel
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  • . Plastic .
    • ABS
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    • Bakelite
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    • Polycarbonate (PC)
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    • Acrylic (PMMA)
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    • POM (Delrin)
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    • PTFE (Teflon)
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    • PEEK
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Don’t See the Material You Need?

Explore our full material list or contact our engineering team for recommendations.

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Surface Finishing Options

We offer a variety of surface finishing options to enhance the appearance, durability, and performance of your CNC machined parts.

  • As-Milled

    Fastest turnaround with visible tool marks and sharp edges, comparable to 125 uin Ra finish.

  • Bead Blast

    Abrasive blasting to smooth, roughen, or remove contaminants from a surface.

  • Anodized

    Provides corrosion resistance. Type II for corrosion resistance, Type III for wear resistance.

  • Type II

    Parts are bead blasted to #120 grit before Type II anodizing for corrosion and wear resistance.

  • Powder Coat

    Powdered paint is sprayed on, then baked to create a strong, durable, corrosion-resistant finish.

  • Electropolished

    Electrochemical process for smoothing, passivating, and deburring metal parts, reducing surface roughness.

*Not sure which finish is right for your part? Explore our complete guide

Tolerance Guide

Precision is essential in CNC milling. We establish tolerances according to the part's function, material properties, and production feasibility to achieve the best performance while maintaining cost efficiency.

Proper tolerance design helps reduce machining cost and improve production efficiency:

  • Avoid unnecessary tight tolerances unless functionally needed.
  • Apply standard tolerances for non-critical areas.
  • Simplify complex shapes whenever feasible.
  • Ensure consistent wall thickness for enhanced stability.
  • Account for material properties during machining.
Tolerance Type Standard Tolerance (±mm) Material Cost Impact Machining Feasibility
Distance Dimensions ± 0.127 mm (± 0.005”) All materials Low Standard 3-axis machining, suitable for most materials
Orientation and Form Dimensions ± 0.127 mm (± 0.005”) All materials Medium Suitable for standard CNC machining, precision required for larger parts
Angularity ± 0.5° All materials Medium Angular measurements, achievable in 3-axis or 5-axis machining
Edge Condition Sharp edges broken & deburred All metals & plastics Low Standard finishing unless specified sharp edges on the print

Not sure about the right tolerance for your part?

Our engineering team can help optimize your design.
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Our CNC Machining Process

  • STEP 1 Polygon
    Design Review
  • STEP 2 Polygon
    Material Selection
  • STEP 3 Polygon
    Machining Setup
  • STEP 4 Polygon
    CNC Turning
  • STEP 5 Polygon
    Surface Finishing
  • STEP 6 Polygon
    Quality Control
  • STEP 7 Polygon
    Packaging & Delivery

Case Studies

Discover how we assist customers in producing precision CNC milling parts with exceptional quality.

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Guides to Optimize Your CNC Parts Design

Blog
tight tolerance machining

Achieving ±0.005mm Tolerance is Not Luck It’s Precision Control

A single micrometer of error can render an entire mold set useless. So, how do we achieve and maintain tolerances within 1/20th the diameter of a human hair, consistently and ...

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cnc milling cost

4 Hidden Cost Traps in CNC Milling

Why the cheapest quote often ends up costing you the most You receive three quotes for CNC milling: As a purchasing manager or shop owner, your instinct is to go ...

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vertical vs horizontal milling

Vertical vs. Horizontal – Which One Do You Really Need?

When sourcing machined parts or purchasing a new CNC mill, one fundamental question often arises: Vertical or Horizontal? This single decision impacts everything—cost per part, setup time, tool life, and ...

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Common CNC Machining Questions

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What types of parts are suitable for CNC milling?
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What materials are commonly used in CNC milling?
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What is the maximum part size for milling?
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Can you machine complex multi-surface parts?
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What surface finishes can be applied to milled parts?
Start Your Project

Ready to Start Your Custom Parts Project?

Upload your drawings (STEP, STP, IGES, STL) or contact our team for a fast and confidential quotation.

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Advanced CNC Equipment

Equipped with modern CNC machines, we ensure high precision, efficiency, and consistent quality across all production stages.

WHY CHOOSE KT

Engineered CNC Milling Solutions You Can Rely On

Our engineered CNC milling solutions are designed to deliver precision, reliability, and efficiency. We use advanced technology and expert craftsmanship to produce high-quality parts tailored to meet your specific requirements. With a focus on material compatibility, tight tolerances, and quick turnaround times, we ensure every part is crafted to the highest standards, offering unmatched performance and value for a wide range of industries.

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    Suitable for complex part geometries
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    Capable of multi-axis machining
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    High precision with tight tolerances
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    Ideal for a wide range of materials
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    Fast turnaround for prototyping and production
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    Smooth surface finishes for various applications

What You Can Expect From KT

  • Confidential by Default

    Your files and project details are protected under strict NDA standards.

  • Engineering Before Production

    We review and optimize your design to ensure manufacturability and cost efficiency.

  • Quality You Can Trust

    Every part is inspected to meet your specifications before shipment.

  • Clear & Timely Communication

    Stay updated at every stage with responsive and professional support.

  • Transparent Quotation

    No hidden costs — clear pricing from the beginning.

  • Flexible Project Support

    We support design adjustments and revisions when needed.

Custom Parts Shipped in as Fast as 24 Hours

    👍 Sharing Your 2D Drawings & 3D Models Will Help Our Engineers to Quote Faster

    NDA available upon request.