SmartFab CNC
Precision Machining
Surface Finishes

Looks, function, and
corrosion protection.

Pick from mechanical, anodized, coated, and chemical finishes. Every finish is priced in real time in our quote tool.

Mechanical

  • As-Machined
    Visible tool marks, Ra 3.2 µm. The default — most economical.
  • Smooth Machined
    Refined finish, Ra 1.6 µm. Light tool marks.
  • Mirror / Polished
    Ra 0.4 µm. Near-mirror reflection on machined faces.
  • Bead Blast
    Uniform matte finish. Hides minor tool marks. Pre-paint.

Anodizing

  • Type II — Clear
    Aluminum only. Hard, corrosion-resistant clear coating.
  • Type II — Black
    Deep black anodized finish for cosmetic and stealth.
  • Type II — Color
    Red, blue, gold, green, purple — color-dyed.
  • Type III — Hard
    Thick, wear-resistant coating for harsh environments.

Coatings

  • Powder Coat
    Color-matched, durable, textured or smooth.
  • Zinc Plate
    Steel only. General corrosion protection.
  • Black Oxide
    Steel only. Mild corrosion resistance, tactical look.

Chemical

  • Electropolish
    Stainless only. Removes microscopic peaks. Sanitary, bright.
  • Passivation
    Stainless only. Restores corrosion-resistant chrome layer.
  • Chromate Conversion
    Aluminum only (RoHS-compliant trivalent).
Quote with finish