Surface finishes for CNC machining

CNC machining provides high precision parts, but the final surface finish determines the appearance, protection and performance of your components.

Hongming Sheng provides complete CNC finishing solutions for aluminum, stainless steel and metal precision parts.

CNC MachiningAnodizingPowder CoatingBead Blasting

✓ Prototype to mass production
✓ Multiple surface treatment options
✓ Engineering recommendation
✓ Export OEM experience

Choose The Right Surface Finish

01. As Machined

Best for functional parts requiring tight tolerance and fast production.

✓ Lowest cost
✓ Maximum dimensional accuracy
△ Visible machining marks

02. Bead Blasting

Creates a uniform matte surface for better appearance and preparation for coating.

✓ Smooth visual finish
✓ Good for aluminum parts
△ May slightly affect dimensions

03. Anodizing

Popular for aluminum CNC parts requiring corrosion resistance and color options.

✓ Excellent protection
✓ Multiple colors available
✓ Good wear resistance

04. Powder Coating

Provides strong protection for industrial parts and outdoor applications.

✓ High durability
✓ Wide color selection
△ Not ideal for precision surfaces

Typical Applications

✓ CNC aluminum housings

✓ Industrial equipment parts

✓ Automation components

✓ Electronic enclosures

✓ Precision mechanical parts

Why Choose Hongming Sheng?

✓ CNC milling and turning capability

✓ Aluminum, stainless steel and alloy machining

✓ Surface treatment coordination

✓ Prototype and production support

✓ NDA protection for customer drawings

Need CNC Parts With Specific Finish?

Send your material, quantity and surface requirements. Our engineers will recommend a suitable finishing solution.

NDA & Confidential Manufacturing

Customer drawings, CAD files and technical information are strictly protected. NDA agreements are available for OEM projects.