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.
Surface Finishes | Description | Services | Applicable Materials |
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Description: Standard finish with surface roughness of 3.2 μm (126 μin), removes sharp edges and deburrs parts cleanly.
Key Use: Functional parts requiring no post-processing (e.g., brackets, gears).
Process Tolerance: Dimensional ±0.1 mm, Ra 3.2±0.5 μm
Process Specifications: ISO 2768-m standard, burr height ≤0.05 mm
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CNC Turning,CNC Milling | Metals | |
Description: Electrochemical oxide layer for corrosion resistance and aesthetics.
Process Compatibility: Post-machining surface treatment
Key Use: Aerospace components, consumer electronics (e.g., phone frames).
Process Tolerance: Coating thickness 10-25 μm±2 μm, color consistency ΔE≤1.5
Process Specifications: MIL-A-8625 or ISO 7599, sealing pH 5.5-6.5
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CNC Turning,CNC Milling,Metal Bending | Metals | |
Description: Chemical film for corrosion protection and paint adhesion.
Process Compatibility: Post-cleaning chemical immersion
Key Use: Aviation and automotive electrical housings.
Process Tolerance: Film thickness 0.5-3 μm, visual uniformity
Process Specifications: Immersion time 3-10 min, bath temp. 20-30℃
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CNC Turning,CNC Milling | Metals | |
Description: Thin magnetite layer for corrosion resistance and reduced glare.
Process Compatibility: Post-machining chemical treatment
Key Use: Tools, firearms, automotive fasteners.
Process Tolerance: Coating thickness 0.5-1.5 μm, salt spray ≥24 hrs
Process Specifications: Alkaline bath pH 13-14, process time 5-30 min
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CNC Turning,CNC Milling | Metals | |
Description: Linear abrasive finish for decorative texture.
Process Compatibility: Manual/CNC abrasive belts
Key Use: Appliance panels, architectural trims.
Process Tolerance: Texture depth 0.05-0.2 mm, angle deviation ≤5°
Process Specifications: Abrasive belt grit 80-240, feed speed 10-30 m/min
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CNC Turning,CNC Milling | Metals | |
Description: Chemical/mechanical removal for micro-texturing or marking.
Process Compatibility: Laser/chemical masking
Key Use: Circuit boards, decorative logos.
Process Tolerance: Etch depth 0.01-0.5 mm±5%, alignment ±0.1 mm
Process Specifications: Etchant concentration 10-30%, laser power 20-100 W
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CNC Turning,CNC Milling | Metals,Glass | |
Description: Uniform metal coating (e.g., nickel) without electricity.
Process Compatibility: Chemical bath deposition
Key Use: Wear-resistant industrial valves, connectors.
Process Tolerance: Coating thickness 5-50 μm±5%, porosity ≤5/cm²
Process Specifications: Bath temp. 85-95℃, pH 4.5-5.5
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CNC Turning,CNC Milling | Metals,Plastics | |
Description: Electrochemical metal coating (e.g., chrome, zinc) for durability.
Process Compatibility: Post-machining electrodeposition
Key Use: Automotive trim, jewelry.
Process Tolerance: Coating thickness 5-25 μm±2 μm, adhesion ≥4B (ASTM B571)
Process Specifications: Current density 1-10 A/dm², bath temp. 40-60℃
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CNC Turning,CNC Milling | Metals | |
Description: Polymer coating via electric field for corrosion resistance.
Process Compatibility: Post-cleaning immersion
Key Use: Automotive frames, HVAC components.
Process Tolerance: Coating thickness 15-30 μm±3 μm, edge coverage ≥80%
Process Specifications: Voltage 50-300 V, cure 160-200℃×20 min
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CNC Turning,CNC Milling | Metals | |
Description: Precision abrasive finish for tight tolerances.
Process Compatibility: Surface/cylindrical grinding
Key Use: Bearing races, hydraulic shafts.
Process Tolerance: Dimensional ±0.005 mm, Ra 0.4-0.8 μm
Process Specifications: Wheel grit 60-120, coolant flow 5-20 L/min
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CNC Turning,CNC Milling | Metals,Ceramics | |
Description: Thermal process to alter material hardness/toughness.
Process Compatibility: Post-machining quenching/tempering
Key Use: Gears, cutting tools.
Process Tolerance: Hardness HRC 45-60±2, distortion ≤0.1%
Process Specifications: Quench temp. 800-1000℃, temper time 1-4 hrs
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CNC Turning,CNC Milling | Metals | |
Description: Diamond or linear pattern for improved grip.
Process Compatibility: CNC lathe rolling
Key Use: Handles, adjustment knobs.
Process Tolerance: Pattern depth 0.2-0.5 mm, pitch ±0.05 mm
Process Specifications: Roller pressure 200-500 N, feed 10-50 mm/min
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CNC Turning,CNC Milling | Metals | |
Description: Permanent marking via laser ablation.
Process Compatibility: Post-processing laser systems
Materials: Metals, plastics, wood
Key Use: Serial numbers, branding on industrial parts.
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CNC Turning,CNC Milling | Metals,Plastics,Wood | |
Description: Molding soft material (TPU/silicone) over rigid inserts.
Process Compatibility: Injection molding
Materials: Plastics, metals (as inserts)
Key Use: Ergonomic handles, waterproof seals.
Process Tolerance: Overmold thickness 1-5 mm±0.2 mm, bond strength ≥5 MPa
Process Specifications: Injection pressure >5 MPa, mold temp. 40-80℃
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Injection Mold Tooling,Overmolding | Plastics | |
Description: Mirror-like finish via abrasive compounds.
Process Compatibility: Manual/robotic buffing
Key Use: Medical instruments, luxury fixtures.
Process Tolerance: Ra 0.025-0.1 μm, gloss ≥90 GU
Process Specifications: Wheel speed 1000-3000 rpm, compound grit 2000-5000
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CNC Turning,CNC Milling | Metals,Plastics | |
Description: Acid treatment to remove free iron and enhance corrosion resistance.
Process Compatibility: Post-cleaning chemical immersion
Key Use: Surgical tools, food processing equipment.
Process Tolerance: Film thickness 0.001-0.01 μm, salt spray ≥96 hrs
Process Specifications: Nitric acid 20-50%, process time 20-60 min
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CNC Turning,CNC Milling | Metals | |
Description: Electrostatic polymer powder cured into durable film.
Process Compatibility: Post-cleaning spray and bake
Key Use: Outdoor furniture, automotive wheels.
Process Tolerance: Coating thickness 60-120 μm±10 μm, ΔE≤1.0
Process Specifications: Voltage 30-90 kV, cure 180-200℃×15 min
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CNC Turning,CNC Milling | Metals,Plastics | |
Description: Phosphate layer for lubrication and paint adhesion.
Process Compatibility: Chemical immersion
Key Use: Engine components, firearm parts.
Process Tolerance: Coating weight 2-5 g/m², crystal size ≤5 μm
Process Specifications: Bath pH 2-4, process temp. 40-70℃
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CNC Turning,CNC Milling | Metals | |
Description: Liquid coating for color and protection.
Process Compatibility: Spraying/dipping
Materials: Metals, plastics
Key Use: Consumer electronics, automotive body panels.
Process Tolerance: Coating thickness 20-50 μm±5 μm, adhesion ≥3B (ASTM D3359)
Process Specifications: Spray pressure 0.3-0.6 MPa, cure 80-120℃×30 min
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CNC Turning,CNC Milling | Metals,Plastics,Wood | |
Description: Abrasive jet finish for uniform matte texture.
Process Compatibility: Post-machining blasting
Materials: Metals, glass, stone
Key Use: Architectural facades, engine blocks.
Process Tolerance: Ra 1.6-6.3 μm, coverage ≥95%
Process Specifications: Grit size 80-120, air pressure 0.4-0.7 MPa
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CNC Turning,CNC Milling | Metals,Glass | |
Description: Non-stick, chemical-resistant polymer layer.
Process Compatibility: Spraying/baking
Materials: Metals, ceramics
Key Use: Cookware, chemical valves.
Process Tolerance: Coating thickness 15-50 μm±5%, non-stick cycles ≥1000
Process Specifications: Sintering 360-400℃, cure time 10-30 min
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CNC Turning,CNC Milling | Metals,Plastics | |
Description: Barrel polishing for edge rounding and deburring.
Process Compatibility: Vibratory/rotary barrels
Materials: Metals, plastics
Key Use: Jewelry, small hardware components.
Process Tolerance: Edge radius R0.1-0.5 mm, weight loss ≤1%
Process Specifications: Media size 3-10 mm, speed 10-30 rpm, time 1-12 hrs
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CNC Turning,CNC Milling | Metals,Plastics | |
Description: Graded texture (e.g., SPI-A1 for glossy, SPI-C3 for matte).
Process Compatibility: EDM, polishing
Materials: Tool steel, aluminum molds
Key Use: Plastic injection molds for consumer products.
Process Tolerance: Ra 0.05-1.6 μm, texture replication ≥90%
Process Specifications: SPI-SPE-1 standard, EDM current 5-50 A
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Injection Mold Tooling,Overmolding | 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!