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Surface Finishes
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High-quality surface finishing services improve your part’s aesthetics and functions regardless of the manufacturing process used. Deliver quality metal, composites, and plastic finishing services so you can bring the prototype or part you dream of to life.
Surface Finishes
Surface Finishes-2
Surface Finishes-3
  Surface Finishes Description Services   Applicable Materials
surface-finish-as-machined As Machined Standard finish, surface roughness of 3.2 μm (126 μin), removes sharp 
edges and deburs parts cleanly.		 CNC machining, Sheet metal fabrication Metals, Plastics 
surface-finish-sand-blasting Sand Blasting Powerfully propels blast media against surfaces to remove coatings and impurities. CNC machining, Sheet metal fabrication Metals, Plastics 
surface-finish-tumbling Tumbling Utilizes barrel or vibratory processes with abrasives to smooth and polish 
the surface of parts.		 CNC Machining, Sheet metal fabrication  Metals, Plastics, 
Glass
electropolish-finish Electropolish Electrochemical process that smoothens, polishes, and deburrs metal 
surfaces to a high gloss.		 CNC machining Stainless steel, 
Copper, Aluminum 
surface-finish-heat-treatment Heat Treatment Alters the physical (and sometimes chemical) properties of a material to achieve desired mechanical properties. CNC machining Metals
surface-finish-alodine Alodine Chemical treatment process providing corrosion protection and surface preparation for paint adhesion. CNC machining, Sheet metal fabrication Aluminum, Aerospace  Alloys 
anodizing-surface-finish Anodizing Electrochemical process that forms a durable, corrosion-resistant oxide 
layer on the surface of metals.		 CNC Machining, Sheet metal fabrication Aluminum 
surface-finish-teflon-coating Teflon Coating Applies a protective layer of PTFE to reduce friction and enhance 
corrosion resistance.		 CNC machining, Sheet metal fabrication, Injection molding   Metals, Plastics 
surface-finish-black-oxidize Black Oxidize Chemical bath that creates a black oxide coating on metal to improve 
corrosion resistance.		 CNC machining, Sheet metal fabrication Steel, Iron 
table-icon-1 Electroless Plating Deposition of a metal coating on substrates using an autocatalytic 
chemical process.		 CNC machining, Injection molding, 3D printing Metals, Plastics 
surface-finish-electroplating Electroplating Uses electric current to reduce dissolved metal cations to form a coherent 
metal coating.		 CNC machining, Sheet metal fabrication Metals 
surface-finish-painting Painting Application of paint for aesthetic improvements and protective coatings. CNC machining, Sheet metal 
fabrication, Injection molding, 
3D printing		 Metals, Plastics, 
Wood 
surface-finish-passivation Passivation Chemical treatment to enhance the corrosion resistance of metals by 
removing free iron from the surface.		 CNC machining, Sheet metal 
fabrication		 Stainless Steel, Other 
Corrosion-resistant 
Alloys 
surface-finish-powder-coating Powder Coating Dry finishing process using powdered paint to provide a high-quality, 
durable finish.		 CNC machining, Sheet metal fabrication, Injection molding Metals, Some 
Plastics 
surface-finish-brushed Brushed Finish Mechanical polishing that produces a unidirectional satin finish. CNC machining, Sheet metal fabrication Metals
surface-finish-mold SPI Finish SPI Finish standardizes surface textures on plastic parts, offering finishes 
from high-gloss to matte, ensuring consistent aesthetics and functionality 
in injection molding.		 Injection molding Plastics