CNC Machining Part Surface Finishes
3ERP offers wide variety high level surface finishes. We only list some of the common surface finishing options. There are more surface finish options for custom CNC machined parts.
Name
Applicable to
Feature
Color
Thickness
As machined
Applicable to: Metals & Plastics
Aspect: Tool marks visible
Color: N/A
Thickness: N/A
Sanding & Polishing
Applicable to: Metals & Plastics
Aspect: Brushed & gloss mirror surface
Color: N/A
Thickness: 0.02-0.05mm removed
Sand, Bead Blasted
Applicable to: Metals & Plastics
Aspect: matt or satin surface
Color: N/A
Thickness: N/A
Painted
Applicable to: Metals & Plastics
Aspect: Matt, gloss, texture
Color: colors can be matched as needed
Thickness: 0.05mm to 0.1mm
Powder coat
Applicable to: Metals
Aspect: Matt, Gloss & Texture
Color: colors can be matched as needed
Thickness: 0.05mm to 0.15mm
Anodized
Applicable to: Aluminum
Aspect: Tool marks visible, Smooth, Matt & Gloss
Color: colors can be matched as needed
Thickness: 0.002mm to 0.04mm
E-Coating
Applicable to: Metals
Aspect: Matt & Gloss
Color: Black
Thickness: 0.015mm to 0.035mm
Nickel Plating
Applicable to: Metal
Aspect: Gloss
Color: Silver
Thickness: 0.004mm to 0.05mm
Chromed
Applicable to: Metals & Plastics
Aspect: Satin & Gloss
Color: Silver
Thickness: 0.001mm to 0.3mm
Zinc Plating
Applicable to: Metals
Aspect: Gloss
Color: Silver & Black
Thickness: 0.005mm to 0.2mm
Chromate Conversion Coating
Applicable to: Aluminum
Aspect: Tool marks visible, Smooth and Matt
Color: Clear/ slight yellow tint
Thickness: 0.25-1 um
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