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CNC Milling
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CNC Milling Service

with Mastars

✔️ Multiple Machining Options: CNC Milling, CNC Turning, 3/4/5 Axis Machining, etc.

✔️ Device Options: 3/4/5 axis devices from Japan, Germany, Taiwan, South Korea, etc.

✔️ Surface Treatment Capabilities: Anodizing, Plating, Sandblasting, etc.

✔️ Accuracy: ±0.01mm

✔️ 25+ years of manufacturing service experience, one-stop manufacturing service,more than 100+ advanced equiments, 800+ global customers.

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Certifications:
ISO 9001:2015
ISO 13485:2016
IATF 16949:2016

CNC Milling Service

Our factory is equipped with 3-axis, 4-axis, and 5-axis CNC milling machines, delivering professional custom machining services. We efficiently and accurately produce both functional prototypes and end-use parts, with some orders completed in as fast as 1 day. A wide selection of engineering plastics and metal materials is available to meet various application requirements.

Supported by our semi-automated production line and strict quality control system, we also provide FAIR, material certifications, and various surface treatment options including anodizing, chromate conversion, and powder coating. This ensures every part meets the highest quality standards.

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CNC Milling Parts Mastars Serves

  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
  • CNC milling parts
CNC Milling Services

Tolerances for CNC Milling

We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.

Mastars' CNC Milling Tolerance Standards guarantee precision. Our commitment to exact measurements delivers consistent, high-quality results—optimized for search visibility.

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3-Axis4-Axis5-Axis
Maximum Part Size1000 x 500 x 500 mm1000 x 500 x 500 mm4000×1500×600 mm
Minimum Part Size5 x 5 x 5 mm 5 x 5 x 5 mm 5 x 5 x 5 mm
Minimum Part Size5 x 5 x 5 mm 5 x 5 x 5 mm 5 x 5 x 5 mm
General Tolerances±0.1 mm±0.1 mm ±0.05 mm
Lead TimeDelivery of simple parts can be as fast as 1 day5 bussiness days for most projects5 bussiness days for most projects

Why Choose Mastars for CNC Milling

✔️ High Quality Parts

Experience unparalleled precision-our advanced milling ensures 0.01mm tighttolerances, enabling seamless assembly and optimal performance.

✔️ Fast Lead Time

Accelerate your manufacturing cycle-RapidDirect's domestic workshops andadvanced machinery ensure fast turnaround to meet critical deadlines.

✔️ Engineering Support

Anytime, anywhere-confidently manage CNC milling projects with our experts'step-by-step guidance to boost design and output quality.

CNC Milling Design Guidelines

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Recommended Size
Radii Internal radii should be at least 1/3 of the cavity depth. Use larger radii whenever possible.
Threads and Tapped HolesDiameter Φ 1.5-5 mm, depth: 3 times the diameter.
Diameter Φ 5 mm or larger, depth: 4-6 times the diameter.
RapidDirect can produce threads of any specification and size as required by the customer.
Minumum Wall ThicknessFor metals: 0.8 mm; For plastics: 1.5 mm. Thicker walls ensure better structural integrity.
ABS-LikeCNC Milling: Minimum width of 0.5 mm and depth of 0.1 mm.
RapidDirect can create standard text via CNC engraving or laser engraving as per customer requirements.
HolesMinimum diameter of 1 mm. Hole depth should not exceed 4 times the diameter for best results.

CNC Milling Materials

✔️ Aluminum

· Aluminum 5052 · Aluminum 7075 & 7075-T6 · Aluminum 6063-T5 · Aluminum 7050-T7451 · Aluminum MIC-6 · Aluminum 6061-T6 · Aluminum 2024-T3

✔️ Copper

· EPT Copper C110 · Copper 101

✔️ Bronze/Brass

· Brass C360 · Brass 260 · C932 M07 Bearing Bronze

✔️ Plastics

· ABS · Acetal [Delrin] · Acrylic · G-10 Garolite · Nylon 6/6 · PEEK · Polycarbonate · PTFE [Teflon] · Polypropylene · Ultra-High Molecular Weight Polyethylene

✔️ Steel / Titanium / Zinc

· ●Alloy Steel 4130 · 4140 · ASTM A36 · Stainless Steel 15-5 17-4 18-8 303 · Stainless Steel 303 304 316/316L · Stainless Steel 416 420 · Low Carbon Steel · Steel A36 · Titanium Grade 2 · Titanium 6Al-4V · Zinc Sheet Alloy 500

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CNC milling applications

Applications of CNC Milling

CNC milling is widely used to produce a variety of precision parts:

✔️ Engine Components: High-performance engine blocks, cylinder heads and pistons for automotive and aerospace sectors.

✔️ Gear Components: Tight-tolerance gears, splines and shafts for machinery and automotive uses.

✔️ Medical Implants: Precision hip joints, dental implants and surgical screws for medical applications.

✔️ Electronic Housings: Custom enclosures to fit and protect circuit boards and electronic parts.

✔️ Custom Prototypes: Rapid prototype development and testing to refine designs before mass production.

✔️ Tooling & Dies: Molds, dies and cutting tools supporting diverse manufacturing processes.

✔️ Aerospace Parts: Intricate, high-strength turbine blades and brackets requiring extreme precision.

Finishes Services

✔️ As-Milled

This fastest-turnaround surface finish option features visible tool marks, possible sharp edges and burrs (removable upon request), with a roughness equivalent to 125 uin Ra.

✔️ Bead Blast

The part surface is media blasted, typically using glass bead, to produce a smooth, matte appearance.

✔️ Anodized (Type II Or Type III)

Type II anodization (aluminum-only) offers corrosion resistance and common colors (clear, black, red, gold). Type III is thicker, with both corrosion and wear resistance.

✔️ Powder Coat

Powder coating sprays paint powder on parts, then cures in an oven. It forms a wear/corrosion-resistant layer—tougher than standard paint—with diverse color options.

✔️ Custom

Don’t see the finish you need? Submit an RFQ and we’ll look into a finishing process for you.

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Prosthetic Leg Lock Tube Adapter,metal CNC milling

Advantages of CNC Milling

CNC milling offers numerous advantages for manufacturing:

✔️ High Precision: Delivers tight-tolerance parts with consistent accuracy.

✔️ Complex Geometries: Multi-axis movement enables intricate shapes unachievable via manual machining.

✔️ Efficiency: Automated continuous production cuts lead times and boosts productivity.

✔️ Flexibility: Versatile for metals, plastics, composites, suiting diverse applications.

✔️ Repeatability: Programmed runs reproduce identical parts uniformly, minimizing human error.

✔️ Cost-Effective: High-efficiency precision lowers overall costs, especially for large batches.

✔️ Safety: Minimal human intervention reduces workplace accident risks.

Our Ideas Have Helped Clients Bring Hundreds Of Products To Market

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Certificates

  • High-tech Enterprise Certificate
  • ISO 9001:2015 certificate
    ISO 9001:2015
  • ISO 13485:2016 certificate
    ISO 13485:2016
  • IATF 16949:2016 certificate
    IATF 16949:2016

Choose Mastars, You'll Gain

We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.

Why choose Mastars as your CNC milling partner

Download Our Manufacturing Equipments List

We offer a one-stop processing service from prototypes and molds to machining and assembly, and are equipped with various models of processing equipments from major domestic and international companies, for CNC machining, injection molding, mold making, and sheet metal manufacturing. Download Now！

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CNC milling equipments list

Our Production Capability

✔️ High Precision: Suitable for complex geometries and fine structures

✔️ High efficiency : Fast processing of metal and plastic materials

✔️ Flexibility: Both single-piece and low-volume prototypes can be realized

✔️ Stability: Excellent dimensional consistency and surface quality

✔️ Surface Treatment Capabilities: Anodizing, Plating, Sandblasting, etc.

✔️ Device: 3/4/5-axis CNC

✔️ Accuracy: ±0.01mm

CNC milling production capability

Our Services

We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.

Mastars' service list

Industries We Serve

We don't have MOQ, only 1pcs is according to high standard to make, we pursuit the product is perfect to every customer, from 1pcs to million,we are glad to witness and grow together with our customers, that make us proud.

Mastars' service industries

Our Partners

100+
Fortune 500 companies
20+
Startups

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