Finishes and Coatings for CNC Machined Parts
Evaluate standard surface finishes for CNC machined parts as well as advanced capabilities to improve durability, surface finish, and add color.
ISO 9001:2015 | ISO 13485:2016 | AS9100D | ITAR
United States
We have manufacturing facilities in Minnesota, North Carolina, and New Hampshire, each with their own set of certifications.
Edges broken (tool marks visible)
- Edges deburred with visible toolmarks.
- Materials: Plastic, Metals
- Cost: $
Edges broken (tool marks visible)
- Edges deburred with visible toolmarks.
- Materials: Plastic, Metals
- Cost: $
Edges broken (tool marks visible)
- Edges deburred with visible toolmarks.
- Materials: Plastic, Metals
- Cost: $
CNC Machining Services for End-Use Parts
Get high‑quality machined parts faster with our expanded automated CNC milling—parts ready in as fast as 4 days
Coating and Plating Options
Choose from a variety of coating and plating options for CNC machined parts.
Anodizing Type II
Anodize Type II Black
Anodize Type II Blue
Anodize Type II Clear
Anodize Type II Gold
Anodize Type II Red
Anodizing Type III
Anodize Type II Black
Anodize Type II Blue
Anodize Type II Clear
Anodize Type II Gold
Anodize Type II Red
Powder Coating
Anodize Type II Black
Anodize Type II Blue
Anodize Type II Clear
Anodize Type II Gold
Anodize Type II Red
Anodize Type II Red
hromate Plating
Anodize Type II Black
Anodize Type II Blue
Electroless Nickle Plating
Anodize Type II Black
Zinc Coating
Anodize Type II Black
Advanced Post-Processing Options for CNC Machining Parts
Through both the Factory and Protolabs Network, you can access a broad range of post-processing capabilities to meet your part’s specifications.
| Description | Materials | Factory | Network | |
|---|---|---|---|---|
| Bead Blasting | Light bead blast to provide uniform finish and light texture | Metals | ✔ | ✔ |
| Anodizing | Type I, II, and III finishes are available to improve part durability and add color | Aluminum Titanium | ✔ | ✔ |
| Chromate Coating | Improve corrosion resistance, add electrical connectivity, and the ability to better paint parts | Metals | ✔ | ✔ |
| Electroless Nickel Plating | A wear-, abrasion-, and corrosion resistant finish that is compatible with aluminum, stainless steel, and mild steel | Aluminum Steel | ✔ | ✔ |
| Part Marking | Laser engraving or pad printing to add labeling and other text to parts | Metals Plastics | ✔ | ✔ |
| Passivation | Enhance durability and corrosion resistance of metal parts | Metals | ✔ | ✔ |
| Powder Coating | Add custom color to parts while improving durability | Metals | ✔ | ✔ |
| Inserts | Incorporate off-the-shelf hardware components to facility assembly | Metals | ✔ | ✔ |
| Silk Screening | Add design elements or labels to parts | Metals | ✔ | |
| Brushing | Achieve uniform, satin-like surface finish | Stainless Steel | ✔ | |
| Polishing | Create mirror-like finishes on metal parts | Metals | ✔ | |
| Black Oxide | Improve corrosion resistance | Metals | ✔ | |
| Brushed + Electropolishing | This combination of processing results in easy-to-clean parts that are corrosion resistant | Metals | ✔ |