Material and Finishes

CNC Machining Service

We offer a full range of CNC machining services, delivering everything from rapid prototypes to high-quality production parts.

Aluminum

Aluminum is a lightweight, high-strength metal widely used in CNC machining for its excellent machinability, corrosion resistance, and thermal conductivity. Its common sizes are 6061, 7075, 5052, and 2024. It is ideal for aerospace, automotive, and electronics applications due to its durability and low density. Aluminum can also be anodized for enhanced surface hardness and aesthetics. Its versatility and cost-effectiveness make it a top choice for precision-engineered components.

• Mill Lead Time: As fast as 3 days
• Finishes: Raw, anodized, bead blasted, polished

Stainless Steel

Stainless steel is a high-strength, corrosion-resistant metal commonly used in CNC machining for its durability and excellent mechanical properties. Its common grades include 304, 316, and 410, each offering varying levels of strength, heat resistance, and anti-corrosion performance. Ideal for medical, aerospace, and industrial applications, stainless steel provides superior wear resistance and can withstand extreme environments. It is also compatible with various surface finishes, including polishing and passivation, to enhance its performance and aesthetics.

• Mill Lead Time: As fast as 5 days
• Finishes: Raw, polished, passivated, bead blasted

Carbon Steel

Carbon Steel is highly suitable for CNC machining due to its excellent strength, hardness, and machinability. It provides superior wear resistance and dimensional stability, making it ideal for structural and mechanical parts. Common applications include gears, shafts, fixtures, and industrial tooling, where durability and load-bearing capacity are essential.

• Mill Lead Time: As fast as 5 days
• Finishes: Raw, black oxide, zinc plated, polished

Alloy Steel

Alloy Steel is ideal for CNC machining due to its excellent strength, toughness, and wear resistance. It maintains high-dimensional stability even under heavy loads, making it perfect for precision engineering. Common applications include gears, shafts, automotive components, and machine bases that demand both strength and durability.

• Mill Lead Time: As fast as 5 days
• Finishes: Raw, black oxide, zinc plated, polished

Brass & Copper

Brass & Copper are highly machinable metals widely used in CNC machining for their excellent conductivity, corrosion resistance, and aesthetic appeal. Brass (C360, C464) is known for its low friction and antimicrobial properties, making it ideal for fittings, valves, and decorative parts. Copper (C110) offers exceptional electrical and thermal conductivity, making it a top choice for electrical components and heat exchangers. Both materials provide superior durability and can be polished or plated for enhanced performance and appearance.

• Mill Lead Time: As fast as 5 days
• Finishes: Raw, polished, nickel-plated, gold-plated

Titanium

Titanium is a high-strength, lightweight, and corrosion-resistant metal widely used in CNC machining for its exceptional durability and biocompatibility. Common grades include Grade 2 and Grade 5 (Ti-6Al-4V), offering a balance of strength and machinability. Titanium is ideal for aerospace, medical implants, and high-performance automotive parts, where weight reduction and extreme durability are critical. It also withstands high temperatures and harsh environments, making it suitable for demanding applications.

• Mill Lead Time: As fast as 7 days
• Finishes: Raw, bead blasted, polished, anodized

Name	Applicable Materials	Colors	Application
Chem Film	Aluminum	Clear, gold	Media Blasting, Tumbling, Type II Anodizing* Type III Anodizing with PTFE*
Anodizing	Aluminum	Clear, black, grey, red, blue, gold	Media Blasting, Tumbling, Chem film*
Black Oxide	Steel, Stainless Steel	Black	Media Blasting, Tumbling, Passivation
Electroless Nickel Plating	Aluminum, Steel, Stainless Steel	—	Media Blasting, Tumbling
Electropolishing	Steel, Stainless Steel	—	—
Media Blasting	Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper	—	All post processes, except Electropolish and Powder Coat
Nickel Plating	Aluminum, Steel, Stainless Steel	—	Media Blasting, Tumbling
Passivation	Steel, Stainless Steel	—	Black Oxide, Electroless Nickel Plating, Zinc Plating, Tumbling, Media Blasting
Powder Coating Services	Aluminum, Steel, Stainless Steel	Full Pantone or RAL color catalog	—
Tumbling	Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper	—	All post processes, except Electropolish and Powder Coat
Vapor Polishing	CNC Polycarbonate (Clear, Black)	—	Enhanced Cosmetic Appearance, Near Optically Clear Applications
Zinc Plating	Steel, Stainless Steel	Clear (light blue coating). Black (glossy black coating).	Media Blasting, Tumbling, Passivation

Name	Metals, PEEK, And ULTEM with Drawing	Other Plastics with Drawing	No Drawing
Linear Dimension	+/- 0.0025 mm +/- 0.0001 inch	+/- 0.05 mm  +/- 0.002 inch	ISO 2768 Medium
Hole Diameters (Not Reamed)	+/- 0.0025 mm  +/- 0.0001 inch	+/- 0.05 mm  +/- 0.002 inch	ISO 2768 Medium
Shaft Diameters	+/- 0.0025 mm  +/- 0.0001 inch	+/- 0.05 mm  +/- 0.002 inch	ISO 2768 Medium

Injection Molding Service

We specialize in both rapid prototyping and high-volume production of Plastic Injection Molding. Get an online quote with free analysis in hours for quality parts within days.

ABS

ABS (Acrylonitrile Butadiene Styrene) is a commodity injection-molding thermoplastic for broad use due to its impact strength, toughness, and processability. It possesses good mechanical features, thermal stability, and chemical inertness and is thus used in car parts, household appliances, and consumer products. ABS also is easily paintable, platable, or texturable for added beauty and functionality. Its cost efficiency and all-around technological properties make it best popular for durable plastic components.

• Production Lead Time: Up to 7 days
• Finishes: Raw, anodized, bead blasted, polished

PP

PP (Polypropylene) is a lightweight, flexible thermoplastic widely used in injection molding for its excellent chemical resistance, fatigue strength, and low moisture absorption. It offers good impact resistance, thermal stability, and electrical insulation properties, making it ideal for automotive components, medical devices, packaging, and household goods. PP is also highly recyclable and can be modified with additives to enhance its mechanical properties. Its affordability and versatility make it a preferred choice for a wide range of applications.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PE

PE (Polyethylene) is a durable and flexible thermoplastic widely used in injection molding for its excellent impact resistance, chemical stability, and moisture resistance. It is lightweight, has good electrical insulation properties, and is available in different densities (LDPE, HDPE) to suit various applications. PE is commonly used in packaging, automotive components, piping, and consumer goods. Its low cost, ease of processing, and recyclability make it a preferred material for both industrial and commercial products.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PS

PS (Polystyrene) is a rigid and lightweight thermoplastic widely used in injection molding due to its excellent clarity, ease of processing, and affordability. It offers good dimensional stability, electrical insulation, and chemical resistance, making it ideal for packaging, disposable containers, consumer electronics, and household products. PS is available in both general-purpose (GPPS) and high-impact (HIPS) variants, catering to different strength and flexibility requirements. Its cost-effectiveness and versatility make it a popular choice for various applications.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PVC

PVC (Polyvinyl Chloride) is a durable and versatile thermoplastic widely used in injection molding due to its excellent chemical resistance, flame retardancy, and mechanical strength. It offers good impact resistance, weatherability, and electrical insulation properties, making it ideal for pipes, fittings, medical devices, automotive parts, and consumer goods. PVC can be formulated as rigid (RPVC) or flexible (FPVC) to suit different application needs. Its cost-effectiveness and adaptability make it a preferred material for industrial and commercial products.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PC

PC (Polycarbonate) is a heat-sensitive resin that has high strength with good impact resistance, light transmission, and thermal stability. It is dimensionally stable with good fire retardancy and UV stability, being applicable for automotive components, electronic housings, medical devices, and transparent products like lenses and shields. PC can easily be molded and post-formed to attain better form and function. It is appropriate for difficult engineering applications because of its strength and flexibility.

Production Lead Time: As fast as 7 days
Color: Transparent, White, Black, Gray, Custom Colors Available

PA

PA (Polyamide), commonly known as Nylon, is a strong and durable engineering thermoplastic with excellent mechanical strength, wear resistance, and chemical stability. It offers high impact resistance, good thermal performance, and low friction, making it ideal for automotive components, industrial gears, bearings, and consumer goods. PA is available in various grades (PA6, PA66, PA12) and can be reinforced with glass fiber for enhanced strength. Its versatility and reliability make it a preferred material for demanding applications.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PET

PET (Polyethylene Terephthalate) is a strong and lightweight thermoplastic known for its excellent mechanical properties, chemical resistance, and dimensional stability. It offers high stiffness, low moisture absorption, and good heat resistance, making it ideal for food packaging, automotive components, electrical insulators, and industrial applications. PET can be reinforced with glass fiber for enhanced strength and wear resistance. Its durability, recyclability, and versatility make it a widely used material in injection molding.

Production Lead Time: As fast as 7 days
Color: White, Black, Gray, Natural, Custom Colors Available

PEEK

PEEK, or Polyether Ether Ketone, is a high-temperature thermoplastic offering enhanced mechanical toughness, thermal stability, and chemical inertness. It is more resistant to wear, features less friction, and enhanced dimensional stability and can be used in aerospace, medical, automotive, and industrial applications. It is biocompatible, highly resistant to hostile environments, and metal-substitutable-like in hostile environments. Its enhanced properties make it the superior option for precision-engineered components that demand reliability and endurance.

Production Lead Time: As fast as 7 days
Color: Natural, Black, Gray, Custom Colors Available

LCP

LCP is known for its high strength, heat resistance, and thin-wall molding capability, making it perfect for micro-components and electronic connectors. It is widely used in smartphone housings, micro gears, and LED reflectors. For example, ultra-thin electronic casings and fine-pitch connectors use LCP to maintain performance while achieving compact designs.

Mill Lead Time: Up to 5 days
Color: Natural, black, custom

TPU

TPU is flexible, wear-resistant, and has excellent elasticity, making it ideal for protective casings, medical tubing, and shock-absorbing components. Examples include smartwatch bands, soft-touch phone cases, and flexible medical catheter tubes, where TPU provides durability and comfort.

Mill Lead Time: Up to 4 days
Color: Transparent, black, custom colors

PPS

PPS (Polyphenylene Sulfide) is a heat-resistant high-performance thermoplastic polymer with superior heat resistance, chemical stability, and mechanical strength. PPS is highly dimensionally stable, fire-resistant, and water-resistant, and hence suitable for usage in the automobile, aerospace, electrical, and industrial sectors. PPS is generally used in high-heat-resistant components and challenging applications such as pump housings, electric connectors, and mechanical components of high precision. Its reliability and long term performance make it the industry best solution for challenging engineering applications.

Production Lead Time: As fast as 7 days
Color: Natural, Black, Gray, Custom Colors Available

Name	Applicable Materials	Colors	Can Be Applied with
Chem Film	Suitable for certain plastic alloys (e.g., plastics with aluminum base)	Transparent gold, metallic sheen	Commonly used with plating, painting, and other finishing options
Electroless Nickel Plating	Suitable for certain plastics (e.g., PC, ABS)	Silver, metallic sheen	Can be combined with painting, electroplating, and other surface finishes
Hand Polishing	Suitable for various plastics (e.g., PC, ABS)	Natural color or smooth, transparent surface	Combined with sandblasting, painting, and mirror polishing for improved appearance
Media Blasting	Various plastics (e.g., ABS, PP, PC)	Matte or rough texture	Often used with painting, texturing, or sandblasting for aesthetic or functional purposes
Nickel Plating	Various plastics (e.g., ABS, PC)	Nickel, metallic sheen	Often used with painting, heat transfer printing, and UV coating
Powder Coating Services	Various plastics (e.g., ABS, PC, PP)	Various colors (customizable)	Often combined with electroplating or painting for enhanced corrosion and wear resistance
Tumbling	Various plastics (e.g., ABS, PP, PE)	Natural color, matte finish	Typically used with sandblasting, painting, or mirror polishing for surface refinement
Vapor Polishing	Suitable for transparent plastics (e.g., PMMA, PC)	Glossy, transparent, colorless	Often combined with mirror polishing or electroplating for clarity and smooth finish
Zinc Plating	Suitable for certain plastic/metal composite materials	Zinc color, silver	Combined with electroplating or painting, improving corrosion resistance and aesthetics

Part Type	Tolerance Range
Standard Injection Molding	+/- 0.1 mm to +/- 0.2 mm
Precision Injection Molding	+/- 0.05 mm or tighter
Large Parts	+/- 0.2 mm to +/- 0.5 mm
Thin-Walled Injection Parts	+/- 0.2 mm

Vacuum Casting Services

We support comprehensive vacuum casting services, from rapid prototyping to low-volume production runs. Fastest delivery in 5 days.

ABS (Acrylonitrile-Butadiene-Styrene)

ABS is one of the most popular materials for Vacuum Casting Services because it offers a strong balance of toughness, rigidity, and good surface finish. It is especially suitable for functional prototypes and small-batch production where parts need to replicate the performance of injection-molded plastics. Vacuum-cast ABS parts are often used in automotive components, electronic housings, and household appliance prototypes. For example, dashboards, connectors, and consumer electronics shells can be cast in ABS to verify both mechanical performance and aesthetic requirements before moving to large-scale injection molding.

Mill Lead Time: As fast as 4–5 days
Finishes: Raw, painted, textured, polished

PP (Polypropylene)

Polypropylene is widely used in Vacuum Casting Services because of its excellent chemical resistance, fatigue strength, and flexibility. It is ideal for prototypes that require living hinges, snap-fit features, or lightweight but durable parts. PP vacuum-cast components are commonly found in packaging prototypes, automotive trims, and consumer product housings where repeated use and resilience are important. For instance, food container lids, automotive interior clips, or medical device casings can be effectively replicated in vacuum-cast PP to ensure cost-effective testing and small-batch production runs.

Mill Lead Time: As fast as 4–6 days
Finishes: Raw, polished, textured

PE (Polyethylene)

Polyethylene is suitable for Vacuum Casting Services thanks to its outstanding impact resistance, chemical stability, and excellent flexibility. It is widely used in the development of containers, protective covers, and packaging prototypes where toughness and cost efficiency are critical. PE vacuum-cast parts are also valued for their ability to withstand rough handling, making them ideal for field testing in industrial equipment, logistics products, or outdoor applications. For example, prototype fuel containers, protective caps, or household storage items are often cast in PE to validate design and durability before scaling up.

Mill Lead Time: As fast as 4–6 days
Finishes: Raw, polished, painted

PMMA (Acrylic)

PMMA, or acrylic, is highly valued in Vacuum Casting Services for its excellent optical clarity, rigidity, and ability to replicate glossy finishes. It is the preferred choice for transparent prototypes where appearance and light transmission are critical, such as lenses, lighting covers, and display windows. For example, vacuum-cast PMMA is frequently used in automotive light guides, consumer electronic screens, and medical device viewports. Its ability to achieve high-quality transparent or tinted finishes allows companies to validate both functional and aesthetic requirements for end-use parts.

Mill Lead Time: As fast as 5–7 days
Finishes: Clear polished, frosted, tinted, painted

Nylon (Polyamide, PA)

Nylon is an excellent choice for Vacuum Casting Services because of its high strength, toughness, and wear resistance. It is often selected for functional prototypes that require moving parts, mechanical strength, or friction resistance. Vacuum-cast nylon parts are widely used in gears, clips, handles, and industrial equipment prototypes. For instance, small-batch production of automotive engine components, consumer product hinges, or mechanical fixtures can be effectively achieved with nylon casting, allowing engineers to test real-world performance before committing to full-scale manufacturing.

Mill Lead Time: As fast as 5–7 days
Finishes: Raw, polished, painted, textured

PC (Polycarbonate)

Polycarbonate is an excellent material for Vacuum Casting Services thanks to its superior impact resistance, dimensional stability, and optical clarity. It is particularly useful for prototypes that require transparent or semi-transparent properties with added toughness. Vacuum-cast PC is widely used in automotive lighting components, safety covers, medical device housings, and electronic displays. For example, clear protective shields or transparent casings for electronics can be replicated in PC to test durability and optical performance. This makes it ideal for industries that demand both mechanical strength and high-quality appearance in low-volume production.

Mill Lead Time: As fast as 5–7 days
Finishes: Clear polished, frosted, tinted, painted

PBT (Polybutylene Terephthalate)

PBT is a strong engineering plastic often applied in Vacuum Casting Services for parts requiring heat resistance, dimensional stability, and excellent electrical insulation. It is frequently chosen for prototypes in the automotive and electronics sectors where durability and resistance to wear are essential. Vacuum-cast PBT parts are used in applications such as electrical connectors, sensor housings, and structural components. For example, automotive electrical junction boxes or consumer electronic parts can be replicated with PBT to validate real-world performance. Its combination of toughness and stability makes it a reliable material for functional prototypes.

Mill Lead Time: As fast as 5–7 days
Finishes: Raw, painted, polished, textured

TPU (Thermoplastic Polyurethane)

TPU is highly valued in Vacuum Casting Services for its excellent elasticity, abrasion resistance, and ability to mimic rubber-like flexibility. It is the go-to choice for prototypes that require durability combined with softness and flexibility. Common applications include seals, gaskets, overmold grips, and wearable product prototypes. For instance, TPU is often vacuum-cast into protective smartphone cases, medical device grips, or industrial seals to validate ergonomic comfort and performance under stress. Its balance of toughness and elasticity makes TPU ideal for consumer, medical, and industrial testing in low-volume runs.

Mill Lead Time: As fast as 5–6 days
Finishes: Raw, rubber-like textured, polished

Heat-Resistant PU

Specialized heat-resistant polyurethane formulations are often used in Vacuum Casting Services to replicate the properties of high-performance plastics such as PPS or PEEK. These materials are designed for prototypes that must withstand higher operating temperatures while maintaining dimensional accuracy and mechanical integrity. Typical applications include under-the-hood automotive parts, aerospace testing components, and industrial equipment housings. For example, small-batch production of heat-resistant clips, fixtures, or casings can be achieved using these PU grades, allowing engineers to evaluate thermal stability before committing to expensive tooling and full-scale production.

Mill Lead Time: As fast as 6–8 days
Finishes: Raw, polished, painted

Name	Applicable Materials	Colors	Can Be Applied with
Painting / Spray Coating	PU, ABS, PC, Nylon	Any color (customizable)	Primer, Base Coat, Clear Coat
Polishing	PU, PMMA, PC, ABS	Transparent, Natural, Glossy	Sanding, Buffing, Clear Coating
Sandblasting	PU, ABS, Nylon	Natural or Light Gray (matte)	Painting, Texturing
Texturing	PU, ABS, Nylon	Matte, Satin, Natural	Sandblasting, Painting
Tumbling	Resins, Plastics	Natural material color	Abrasive media, Vibratory tumblers
Clear Coating	PU, ABS, PMMA, PC	Transparent (Glossy / Matte)	Painting, Polishing
Vacuum Metallization	PU, ABS, PC	Chrome, Gold, Silver, Custom	Vacuum chamber, Metal vapor deposition

Part Type	Tolerance Range
Tolerance Range	+/- 0.5 mm to +/- 1.0 mm
Precision Die Castings	+/- 0.2 mm to +/- 0.5 mm
Complex Vacuum Castings	+/- 1.0 mm to +/- 2.0 mm

Sheet Metal Fabrication Service

Robotika offers sheet metal fabrication services for high-quality, custom metal components with superior accuracy and durability.

Stainless Steel

Stainless steel is ideal for sheet metal fabrication due to its corrosion resistance, strength, and durability, making it suitable for high-performance applications. It maintains structural integrity in harsh environments. Common applications include aerospace components, medical instruments, and automotive parts. For example, stainless steel is used for car exhaust systems and surgical instruments due to its corrosion resistance and ability to withstand high temperatures.

Mill Lead Time: 5–7 days
Finishes: Polished, brushed, anodized, passivated

Carbon steel

Carbon steel offers excellent strength and is cost-effective for sheet metal fabrication. It is commonly used in automotive and construction applications. Carbon steel is frequently used for car frames and industrial machinery parts due to its toughness and affordability.

Mill Lead Time: 7–10 days
Finishes: Powder-coated, galvanized Available

Aluminum

Aluminum is lightweight, corrosion-resistant, and easy to mold, making it ideal for sheet metal fabrication. It is widely used in aerospace, automotive, and electronics industries. For example, aluminum is commonly used in the production of airplane fuselages and car body panels for its strength-to-weight ratio.

Mill Lead Time: 3–5 days
Finishes: Anodized, brushed, painted

Brass & Copper

Brass and copper are ideal for sheet metal fabrication due to their excellent formability, conductivity, and corrosion resistance, making them well suited for both functional and decorative applications. These materials are easy to cut, bend, and stamp, allowing precise fabrication of complex geometries while maintaining high surface quality. Copper excels in electrical and thermal performance, while brass offers a balanced combination of strength, machinability, and aesthetic appeal. Common applications include electrical enclosures, busbars, heat sinks, EMI shielding components, decorative panels, and architectural sheet metal parts.

Mill Lead Time: 5–7 days
Finishes: Brushed, polished, plated, patina, clear coating

Galvanized steel

Galvanized steel offers excellent corrosion resistance, making it ideal for sheet metal fabrication in harsh environments. It is commonly used in automotive and construction industries. Galvanized steel is often used in roofing materials and automotive body panels, providing durability against environmental factors.

Mill Lead Time: 7–10 days
Finishes: Powder-coated, raw

Titanium

Titanium is strong, lightweight, and highly resistant to corrosion, making it perfect for high-performance applications. It is used in aerospace, medical, and marine industries. Titanium is commonly found in aircraft parts and medical implants for its strength and resistance to extreme conditions.

Mill Lead Time: 10–14 days
Finishes: Polished, anodized

Alloy Steels

Alloy steels are tailored for enhanced strength, wear resistance, and heat resistance, making them ideal for heavy-duty applications. Alloy steel is widely used in industrial equipment, automotive, and manufacturing. For example, alloy steel is used for gears and industrial machinery parts due to its strength and durability.

Mill Lead Time: 10–15 days
Finishes: Polished, coated

Name	Colors	Can Be Applied with	Applicable Materials
Powder Coating	Durable, corrosion-resistant finish, customizable in various colors.	Electrostatic spray, oven curing	Steel, Aluminum, Zinc
Anodizing	Electrochemical process that increases thickness of oxide layer for enhanced corrosion resistance and aesthetic finish.	Electrical current	Aluminum, Titanium
Electroplating	Coating a metal surface with a thin layer of another metal for improved appearance and corrosion resistance.	Electroplating bath	Steel, Copper, Brass, Zinc
Polishing	Achieving a high-gloss, smooth surface for aesthetic appeal.	Buffing wheels, abrasive compounds	Stainless Steel, Aluminum, Brass
Brushing	Produces a satin or matte finish by creating fine lines on the surface.	Abrasive pads or brushes	Stainless Steel, Aluminum, Copper
Bead Blasting	Creates a uniform, textured finish by blasting abrasive media.	Air blasting with abrasive beads	Aluminum, Steel, Stainless Steel
Passivation	Improves corrosion resistance by removing free iron and creating a protective oxide layer.	Chemical bath	Stainless Steel, Aluminum, Titanium

Part Type	Tolerance Range
Precision Metal Forming	±0.1 mm to ±0.05 mm
Custom Metal Fabrication	±0.2 mm to ±0.1 mm
Rapid Prototyping	±0.2 mm to ±0.1 mm
Mass Production	±0.5 mm to ±0.2 mm

Material and Finishes

CNC Machining Service

Aluminum

Stainless Steel

Carbon Steel

Alloy Steel

Brass & Copper

Titanium

Injection Molding Service

ABS

PP

PE

PS

PVC

PC

PA

PET

PEEK

LCP

TPU

PPS

Vacuum Casting Services

ABS (Acrylonitrile-Butadiene-Styrene)

PP (Polypropylene)

PE (Polyethylene)

PMMA (Acrylic)

Nylon (Polyamide, PA)

PC (Polycarbonate)

PBT (Polybutylene Terephthalate)

TPU (Thermoplastic Polyurethane)

Heat-Resistant PU

Sheet Metal Fabrication Service

Stainless Steel

Carbon steel

Aluminum

Brass & Copper

Galvanized steel

Titanium

Alloy Steels

Get Quote Now