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Rapid Prototyping
Precision machining with tight tolerances and advanced finishing capabilities, as quick as 1 day.
Explore versatility and cost-efficiency through flexible application choices.
FDM, SLS, SLA, PolyJet, MJF services.
High-quality parts and low price
Choose a surface treatment to protect your art!
Why Choose 91mns
Our vision is to simplify manufacturing complexities and shorten project cycles for our customers through our rich manufacturing and design experience. Our success is defined by our customers' success
High-Volume Production
High-quality steel tooling for production, delivered in a matter of weeks.
Craft precise and accurate custom mechanicals with top quality
Lower tooling costs, high-quality durable parts
Choose a surface treatment to protect your art!
91mns Industries
Our vision is to simplify manufacturing complexities and shorten project cycles for our customers through our rich manufacturing and design experience. Our success is defined by our customers' success
CNC Machining
5-Axis CNC Rapid Prototyping – Functional Parts in 5 Days
Aluminium, Steel, Polymers & More
from one-off prototypes to full mass production
Certifications & inspection reports
Our CNC Machining Services
Precision CNC Milling & Turning Services – Rapid Prototyping & Production Parts - CAD/CAM support
Precision CNC Turning Services – High-Speed Production of Cylindrical Parts with ±0.01mm Tolerance
Precision EDM Machining Services – Complex & Hard Metal Parts with ±0.005mm Tolerance
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Quotes
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Lead time
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Tolerances
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CNC Machining Materials
Metals
Aluminum
Types: 6061-T6, 7075-T6, 6061,7075,7050, 2024, 5052, 6063, MIC6
Finishing Options: Alodine, Anodizing Types II, III, III + PTFE, ENP, Media Blasting, Nickel Plating, Powder Coating, Tumble Polishing
Colors: /
Properties: Aluminum is lightweight yet strong, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive parts.
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Brass
Types: 274, 280, 360 Brass
Finishing Options: Media Blasting
Colors: /
Properties: Brass is durable and has a low friction coefficient, which makes it suitable for fittings, tools, and musical instruments that require precision.
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Bronze
Types: 932 Bearing Bronze
Finishing Options: Media Blasting, hand polishing
Colors: /
Properties: Bronze is highly resistant to corrosion and metal fatigue, favored for bearings, bushings, and marine hardware.
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Copper
Types: Copper 101,110,103
Finishing Options: Media Blasting, hand polishing
Colors: /
Properties: Copper is known for its superior electrical conductivity and thermal properties, making it perfect for electrical components and heat exchangers.
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Stainless Steel
Types: 303, 304L, 316L, 410, 416, 440C, 17-4PH, Nitronic 60
Finishing Options: Black Oxide, Electropolishing, ENP, Media Blasting, Nickel Plating, Passivation, Powder Coating, Tumble Polishing, Zinc Plating
Colors: /
Properties: Stainless steel is renowned for its corrosion resistance, making it a prime choice for medical devices and food processing equipment.
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Steel
Types: 4140, 4130, A514, 4340, 1018, 1020,1045, 1215
Finishing Options: Black Oxide, Electropolishing, ENP, Media Blasting, Nickel Plating, Passivation, Powder Coating, Tumble Polishing, Zinc Plating
Colors: /
Properties: Steel is an alloy with high tensile strength and durability, commonly used in construction and automotive industries for its robustness.
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Titanium
Types: Titanium Alloy TA1
Titanium Alloy TA2
Titanium Alloy TC4/Ti-6Al 4V
Finishing Options: Media Blasting, Passivation, Powdercoating
Colors: /
Properties: Titanium boasts the highest strength-to-density ratio among metals, highly resistant to corrosion and fatigue, ideal for aerospace, medical, and marine applications.
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Plastics
ABS
Types: /
Finishing Options: /
Colors: natural(beige),black
Properties: ABS is strong, durable, and offers good resistance to heat and impact. It’s preferred for automotive components and consumer goods.
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Acrylic/PMMA
Types: /
Finishing Options: hand polishing
Colors: clear, matt
Properties: PMMA, or acrylic, is known for its crystal clarity and weather resistance, making it ideal for outdoor fixtures and display cases.
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Delrin(POM)
Types: 150, AF (13% PTFE Filled), 30% Glass Filled
Finishing Options: /
Colors: black,white
Properties: POM is strong, with a low friction surface and good dimensional stability, perfect for precision parts in mechanical applications.
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Garolite G-10
Types: /
Finishing Options: /
Colors: green,yellow
Properties: Garolite G-10 has high strength, rigidity, impact resistance, and is an excellent electrical insulating material. It is commonly used in the aerospace, electronics, and automotive industries.
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HDPE
Types: /
Finishing Options: /
Colors: black,white
Properties: HDPE is known for its high strength-to-density ratio, resistance to impacts, and is used in making bottles and corrosion-resistant piping.
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Nylon
Types:
PA(Nylon)
PA6 (Nylon)+GF15
PA6 (Nylon)+GF30
PA66
Finishing Options: /
Colors: black,white,natural(Beige)
Properties: Nylon is versatile, strong, and wears well against friction, commonly used for gears, bearings, and other wear-resistant surfaces.
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PEEK
Types: /
Finishing Options: /
Colors: natural（beige）,Black
Properties: PEEK is renowned for its high temperature resistance and strength, often used in aerospace and medical implant manufacturing.
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Polycarbonate
Types: /
Finishing Options: Vapor polishing
Colors: Clear, black,white
Properties: Polycarbonate is extremely durable and has high impact resistance, along with excellent clarity, used for bullet-proof glass and protective gear.
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Polypropylene
Types: /
Finishing Options: /
Colors: White, black
Properties: Polypropylene is tough, has excellent chemical resistance, and is used for automotive parts, containers, and in packaging.
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PTFE
Types: /
Finishing Options: /
Colors: black,white
Properties: PTFE is known for its outstanding chemical resistance and low friction, making it perfect for non-stick coatings and gaskets.
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UHMW
Types: /
Finishing Options: /
Colors: black,white
Properties: UHMW (Ultra-High Molecular Weight Polyethylene) is a versatile material known for its exceptional wear resistance, low friction coefficient, chemical resistance, and excellent impact resistance. It finds widespread applications in industries such as logistics, packaging, food processing, automotive, and medical.
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Ultem
Types: /
Finishing Options: /
Colors: Naturally translucent amber color, frosted when machined
Properties: ULTEM is a high-temperature, high-strength thermoplastic material known for its excellent fatigue resistance, chemical resistance, superior insulation properties, and high rigidity. It finds extensive applications in industries such as aerospace, medical, electronics, automotive.
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CNC Machining Tolerance
| Metals, ULTEM, And PEEK with Drawing | Other Plastics with Drawing | No Drawing | |
| Nominal Iength | +/-0.01 mm +/-0.0003 inch | +/-0.05 mm +/-0.002 inch | ISO 2768 Medium |
| Hole Diameters (Not Reamed) | +/-0.01 mm +/-0.0003 inch | +/-0.05 mm +/-0.002 inch | ISO 2768 Medium |
| Shaft Diameters | +/-0.005 mm +/-0.0002 inch | +/-0.05 mm +/-0.002 inch | ISO 2768 Medium |
Surface Finishing Options for custom parts
Surface Finishing Options for custom parts meet your diverse surfacetreatment needs, enhancing both the durability and aesthetics of yourcomponents.Our advanced finishing techniques, including powdercoating, anodizing, and plating, provide superior protection againstcorrosion, wear, and environmental factors. These finishes also offer improved performance and an attractive appearance, ensuring your products meet the highest quality standards.
Download our CNC design Guide!
Learn how to reduce cost and Lead time in your projects, streamline the design and machining process, and make your projects run smoother.
DownloadCNC Machining Parts Made By 91 MNS
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The #1 Best Expert Guide To Bronze CNC Machining Services
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What Is a Counterbore? Uses, Design & Product Types
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Custom Manufacturing Services for Precision Parts & Products
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Your Go-To Guide for High-Precision CNC Acrylic Servic
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CNC Machining FAQs
Q What does CNC stand for?
CNC stands for Computer Numerical Control. It refers to the use of computer-controlled machinery that operates cutting tools and materials based on pre-programmed instructions, it calls subtractive Manufacturing as well.
Q What are the advantages of CNC machining?
CNC machining offers advantages such as high precision, repeatability, efficiency, and flexibility. It can achieve complex shapes, work with various materials, and enable high-volume production in a short time.
Q Which materials can be used in CNC machining?
CNC machining is suitable for a variety of materials, including metals (such as aluminum, steel, stainless steel), plastics, wood, and composite materials. The specific machinable materials depend on the capabilities of the machine and the suitability of the cutting tools.
Q What are the applications of CNC machining?
CNC machining is widely used in various industries, including automotive manufacturing, aerospace, electronics, medical devices, mold making, furniture manufacturing, and more. It can be used to produce parts, prototypes, molds, and other products.
Q How many CNC machines do you have?
We have 16 CNC machining centers, 2 large-sized CNC milling machines, and 2 CNC lathes.
Q Do you offer Quick-Turn CNC Machining?
91MNS is a small to medium-sized factory with a highly experienced engineering team. We offer high flexibility and can achieve leadtime as fast as 1 day. Our focus is centered around serving our customers.
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