Surface Finishes
We Offer

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.
Order Your Parts
1
2
3
Surface FinishesDescriptionServicesApplicable Materials
al6061 machined surface ra1.6As Machined Standard finish, surface roughness of 3.2 μm (126 μin), removes sharp edges and deburs parts cleanly.CNC machining, Sheet metal fabricationMetals, Plastics
al6061 sandblasted matte hard clear anodized 120Sand Blasting Powerfully propels blast media against surfaces to remove coatings and impurities.CNC machining, Sheet metal fabricationMetals, Plastics
al6061 polished ra0.8Tumbling Utilizes barrel or vibratory processes with abrasives to smooth and polish the surface of parts.CNC Machining, Sheet metal fabricationMetals, Plastics, Glass
sus304 polished vacuum plated silver dElectropolish Electrochemical process that smoothens, polishes, and deburrs metal surfaces to a high gloss.CNC machiningStainless steel, Copper, Aluminum
al6061 hard anodized black semi glossHeat Treatment Alters the physical (and sometimes chemical) properties of a material to achieve desired mechanical properties.CNC machiningMetals
al6061 machined surface ra3.2 colored alodineAlodine Chemical treatment process providing corrosion protection and surface preparation for paint adhesion.CNC machining, Sheet metal fabricationAluminum, Aerospace Alloys
al6061 hard anodized clear semi glossAnodizing Electrochemical process that forms a durable, corrosion-resistant oxide layer on the surface of metals.CNC Machining, Sheet metal fabricationAluminum
al6061 hard anodized black ptfe sealed semi glossTeflon Coating Applies a protective layer of PTFE to reduce friction and enhance corrosion resistance.CNC machining, Sheet metal fabrication, Injection moldingMetals, Plastics
al6061 powder coated black flat semi glossBlack Oxidize Chemical bath that creates a black oxide coating on metal to improve corrosion resistance.CNC machining, Sheet metal fabricationSteel, Iron
al6061 powder coated white flat glossy medicalElectroless Plating Deposition of a metal coating on substrates using an autocatalytic chemical process.CNC machining, Injection molding, 3D printingMetals, Plastics
sus304 polished electroplated rose gold rElectroplating Uses electric current to reduce dissolved metal cations to form a coherent metal coating.CNC machining, Sheet metal fabricationMetals
al6061 painted white glossyPainting Application of paint for aesthetic improvements and protective coatings.CNC machining, Sheet metal fabrication, Injection molding, 3D printingMetals, Plastics, Wood
sus304 polished color zinc rPassivation Chemical treatment to enhance the corrosion resistance of metals by removing free iron from the surface.CNC machining, Sheet metal fabricationStainless Steel, Other Corrosion-resistant Alloys
al6061 powder coated white textured glossyPowder Coating Dry finishing process using powdered paint to provide a high-quality, durable finish.CNC machining, Sheet metal fabrication, Injection moldingMetals, Some Plastics
al6061 powder coated black textured semi glossElectrophoresis Coating process using charged particles suspended in a solvent, typically for uniform finishes.CNC machining, Sheet metal fabricationMetals, Ceramics
al6001 sandblasted semi gloss blue anodized 120Brushed Finish Mechanical polishing that produces a unidirectional satin finish.CNC machining, Sheet metal fabricationMetals
peek beige ra3.2SPI 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 moldingPlastics
sus304 polished vacuum plated silver rPolishing Smooths the surface to a bright, reflective finish; removes minor scratches and imperfections for aesthetic or functional purposes.CNC machining, Sheet metal fabricationMetals , some hard plastics

Perfect Your Project's Finish

Your designs deserve the best. Enhance durability and appeal with our various finishing options. Part surfacing finishing techniques can either be for functional or aesthetic purposes. Each technique has requirements, such as materials, color, texture, and price. Step up the quality of your projects today!
Start Your Project
Mask group1

Recent Blog Posts

sheet metal bending services cover
Sheet Metal Fabrication

Top 6 Metal Bending Services for Enclosures & Structural Parts

Sourcing custom sheet metal bending services for enclosures often forces a choice between strict tolerances and tight production schedules. Relying...
April 17, 2026
Read More
cnc milling cost guide cover
CNC Machining

CNC Milling Cost: Simple vs. Complex Parts Price Comparison

Estimating CNC milling cost is not about waiting for quotes—it comes down to a few controllable variables: material, machining time,...
April 16, 2026
Read More
aluminum injection molding product manufacturing
Design Guide

Aluminum Injection Molding: The Bridge Tooling Strategy

For hardware startup founders and senior mechanical engineers, the race to market is relentless. A delay of just a few...
April 16, 2026
Read More

FAQs

RapidDirect is proficient in facilitating the production and prototyping of large machined parts, be it metal or plastic. We boast a substantial CNC machining build envelope measuring 2000 mm x 1500 mm x 300 mm. This ensures we can accommodate even sizable parts, including those tailored for furniture or architectural applications.

RapidDirect is proficient in facilitating the production and prototyping of large machined parts, be it metal or plastic. We boast a substantial CNC machining build envelope measuring 2000 mm x 1500 mm x 300 mm. This ensures we can accommodate even sizable parts, including those tailored for furniture or architectural applications.

RapidDirect is proficient in facilitating the production and prototyping of large machined parts, be it metal or plastic. We boast a substantial CNC machining build envelope measuring 2000 mm x 1500 mm x 300 mm. This ensures we can accommodate even sizable parts, including those tailored for furniture or architectural applications.

Try RapidDirect
now, for free
Start Free Quote
Book a meeting with RapidDirect
Note: Our working hours are 10:00-12:00, 14:00-18:30, and 20:00-23:00. We will confirm the time and meeting method with you via email.
Drag & Drop Files, Choose Files to Upload You can upload up to 50 files.