What size is considered small CNC?

Parts typically under 50mm in size. We also machine micro-precision components.

What tolerances can you hold?

Precision at ±0.01mm, high-precision at ±0.005mm on request.

What materials are available?

All standard metals and engineering plastics.

Do you provide inspection on small parts?

Yes, vision systems and CMM inspection for verification.

What industries use small CNC?

Medical, electronics, aerospace, and precision mechanical.

Small CNC

Small CNC focuses on machining small precision components, typically under 50mm in size. Processes include small-part turning and milling with tight tolerances. Swiss turning is available for long slender parts. Materials include metals and plastics. Applications include medical instruments, electronics components, and precision mechanical parts. Quality inspection includes vision systems and CMM. Tolerances held to ±0.01mm precision. Industries served include medical, electronics, aerospace, and watchmaking.

Our CNC Machining Services

From prototype to production — reliable quality, on-time delivery

We provide precision CNC machining services for a wide range of materials including aluminum, steel, stainless steel, copper, brass, titanium, PEEK, PTFE, acetal, nylon, and other engineering plastics. Our manufacturing capabilities cover 3-axis, 4-axis, and 5-axis CNC milling, as well as CNC turning, suitable for both prototype development and high-volume production runs.

With ISO 9001:2015 certification and a commitment to quality, we serve customers across aerospace, automotive, medical, electronics, industrial equipment, and consumer goods industries. Our in-house capabilities include surface finishing, anodizing, powder coating, heat treatment, and inspection with CMM and optical measurement equipment.

We offer competitive pricing, flexible lead times, and full material traceability. From simple brackets to complex precision components, we deliver parts that meet your specifications with reliable quality and on-time delivery.

Case StudiesMore+

SLINAR - Precision 7075 Aluminum Slider Connector: High-Speed Milling Solution for Aerospace Fastening Applications

Precision 7075 Aluminum Slider Connector: High-Speed Milling Solution for Aerospace Fastening Applications-aluminum

SLINAR - Precision 6061 Machine Vision Gimbal Base with Vibration-Dampening Fixturing and Stress-Relief Protocol

Precision 6061 Machine Vision Gimbal Base with Vibration-Dampening Fixturing and Stress-Relief Protocol-aluminum

SLINAR - Precision 7075 Aluminum Semiconductor Cavity Component: Two-Tone Anodizing Process with Natural + Black Finish

Precision 7075 Aluminum Semiconductor Cavity Component: Two-Tone Anodizing Process with Natural + Black Finish-aluminum

SLINAR - Precision 6061 Integrated Support Column Bracket (Gimbal Base) with One-Piece Milling and Post-Machining Stability

Precision 6061 Integrated Support Column Bracket (Gimbal Base) with One-Piece Milling and Post-Machining Stability-aluminum

SLINAR - Aluminum 6061-T6 Medical Connectors | CNC Turned IV & Fluid Transfer Parts

Aluminum 6061-T6 Medical Connectors | CNC Turned IV & Fluid Transfer Parts-aluminum

SLINAR - Custom Aluminum 6061 Part CNC Milling Machining Service

Custom Aluminum 6061 Part CNC Milling Machining Service-aluminum

Materials

FR4

FR4

FR4 is a class of glass fiber epoxy laminate that is flame retardant.

Understand FR4

PEEK

PEEK (CNC) is an engineering thermoplastic with excellent mechanical and thermal properties. Can be used to replace metal parts. Biocompatible.

Understand PEEK

PTFE(Teflon)

PTFE

Teflon (CNC) - PTFE - has excellent thermal and chemical resistance and outstanding frictional and electrical properties.

Understand PTFE(Teflon)

POM-C

Acetal Copolymer (POM-C)

Acetal (POM-C) is the easiest to machine engineering plastic. Ideal for parts with high stiffness, low friction and very low water absorption.

Understand POM-C

Ultem 1000 (PEI)

PEI Ultem 1000

High performance engineering thermoplastic polymer, with excellent durability, strength, stiffness and heat resistance (UL94-V0).

Understand Ultem 1000 (PEI)

ABS

ABS

ABS (CNC) has good mechanical properties and excellent impact resistance. It is commonly used to prototype parts prior to injection-molding.

Understand ABS

PET

PET

PET is a tough plastic that offers excellent wear resistance and mechanical strength.

Understand PET

Igus iglidur

iglidur

Mainly used in areas where high-performance engineering plastics are required

Understand Igus iglidur

PAI

PAI

It possesses excellent heat resistance and high strength, and is commonly used in electronic and semiconductor structural components.

Understand PAI

PPS

PPS

PPS has an opaque, off-white finish when machined. It has a smooth, matte appearance post machining and can be machined to a variety of surface roughnesses.

Understand PPS

Polysulfone (PSU)

PSU

PSU CNC Machining Applications & PartsPolysulfone offers high thermal stability, transparency, and outstanding hydrolytic resistance, making it a superior choice for medical, food, and aerospace applications requiring repeated steam sterilization.Typical Parts We Machine from PSU: Medical Devices: Surgical Instrument Trays, Filter Housings, Fluid Handling Parts Food Service & Processing: Steamable Equipment Parts, Coffee Makers, Filter Blocks High-Temperature Electrical: Multipin Co

Understand Polysulfone (PSU)

PMMA (Acrylic)

PMMA is a translucent rigid plastic, often used as a substitute for glass and when high transparency is needed, a high polishing process can be done to achieve this.

Understand PMMA (Acrylic)

Alloy Steel 16MnCr5

Alloy steel 1.7131 | 16MnCr5

Steel 1.7131 has a high surface hardness and wear resistance with good machinability.

Understand Alloy Steel 16MnCr5

PVC

PVC

PVC is the third most used plastic with all-around good mechanical properties, excellent chemical and weather resistance and good toughness.

Understand PVC

Nylon 6

Nylon 6 (CNC) - PA 6 - has excellent mechanical properties, with high toughness and hardness. Susceptible to moisture absorption.

Understand Nylon 6

Polypropylene (PP)

PP

Polyproplene has similar properties to polyethylene but is harder and more heat resistant.

Understand Polypropylene (PP)

Polycarbonate (PC)

PC

Polycarbonate (CNC) has excellent impact strength and good temperature resistance. Suitable for outdoor applications. Can be colored or semi-transparent.

Understand Polycarbonate (PC)

HDPE

HDPE (CNC) is a lightweight and strong thermoplastic, suitable for outdoor applciations. Commonly used for prototypes before Injection Molding.

Understand HDPE

UHMW-PE

High density polyethylene is very tough due to its long chain structure and has the highest impact strength of any thermoplastic.

Understand UHMW-PE

PPSU

PPSU | UL94 V-0

PPSU offers hydrolytic stability, toughness and superior impact strength over a wide temperature range.

Understand PPSU

Polyurethane (PU)

PU

It has excellent wear resistance, high tensile strength, tear resistance and load bearing capacity, and has good biocompatibility.

Understand Polyurethane (PU)

Brass C38500

Brass C38500 | 2.0401 | CuZn39Pb3

Brass C38500 (CNC) is a highly machinable alloy with good tensile strength and natural corrosion resistance. Ideal for parts that require low friction.

Understand Brass C38500

Brass C360

Brass C360 | 2.0375 | CuZn36Pb3

Brass C360 (CNC) is highly machinable alloy with good tensile strength and natural corrosion resistance. Ideal for parts that require low friction.

Understand Brass C360

Copper C101

Copper C101 | CU OFE

Copper (C101), 99.99% pure, is a copper alloy with excellent conductivity and high corrosion resistance and toughness.

Understand Copper C101

Copper C110

Copper C110 | CU ETP

Copper (C110) is a pure at 99.90% copper alloy, with universal for electrical applications high thermal conductivity and good corrosion resistance.

Understand Copper C110

Inconel 718

Inconel 718 is a high-strength, corrosion-resistant nickel alloy.

Understand Inconel 718

Invar 36

INVAR 36 is a nickel alloy with a very low coefficient of thermal expansion.

Understand Invar 36

Mild Steel S275JR

Mild steel S275JR | 1.0044 | Fe430B

As a low carbon steel specifications S275 provides low strength with good machinability and is suitable for welding

Understand Mild Steel S275JR

Mild Steel A36

Mild steel A36 | 1.025 | Fe 410

Mild steel A36 (CNC) is a common structural steel with good weldability. Suitable for a variety of industrial applications. Susceptible to corrosion.

Understand Mild Steel A36

Mild Steel S235JR

Mild Steel S235JR | 1.0038 | Fe 360 B

S235JR is a hot rolled non-alloy structural steel. It has good plasticity, toughness and weldability, certain strength and good cold bending properties.

Understand Mild Steel S235JR

Mild Steel 1045

Mild steel 1045 | 1.0503 | C45 | EN8

Mild steel 1045 (CNC) is a medium carbon steel with good weldability and machinability, high strength and good impact resistance. Susceptible to corrosion.

Understand Mild Steel 1045

Mild Steel S355J2

Mild steel S355J2 | 1.0577 | 1522H | Fe 510 D

S355J2 has a high tensile strength. Compared to other carbon steels, it has high electrical conductivity but low thermal conductivity and low ductility.

Understand Mild Steel S355J2

Mild Steel 1018

Mild steel 1018 | 1.1147 | C18 |16Mn

Mild steel 1018 (CNC) is a general-use alloy with good machinability, weldability, toughness, strength. Susceptible to corrosion.

Understand Mild Steel 1018

Tool Steel H13

Tool steel H13 | 1.2344 | X40CrMoV5-1 - Annealed state

Tool steel H13 has an excellent combination of high toughness and fatigure resistance. It is the most common tool steel used in tooling applications.

Understand Tool Steel H13

Tool Steel S7

Tool steel S7 | 1.2355 | 50CrMoV13-15 - Annealed state

Tool steel s7 has very high impact properties. Suitable for tool and die application.

Understand Tool Steel S7

Tool Steel A3

Tool steel A3 - Annealed state

Tool steel A3 is an air-hardened general purpose tool steel with good toughness and excellent dimensional stability. Used for molding dies.

Understand Tool Steel A3

Tool Steel O1

Tool steel O1 | 1.2510 | 100MnCrW4 - Annealed state

Tool steel O1 (CNC) is an oil-hardened alloy with a high hardness of 65 HRC. Used for industrial knives and cutting tools.

Understand Tool Steel O1

Tool Steel A2

Tool steel A2 | 1.2363 | X100CrMoV5-1- Annealed state

Tool steel A2 (CNC) is an air-hardened general purpose tool steel with good toughness and excellent dimensional stability. Used for molding dies.

Understand Tool Steel A2

Tool Steel D2

Tool steel D2 | 1.2379 | X153CrMoV12-1 - Annealed state

Tool steel D2 (CNC) is a wear-resistant alloy that retains its hardness to a temperature of 425 °C. Used for cutting tools and dies.

Understand Tool Steel D2

Polyimide (PI)

PI

Thermal decomposition temperature is as high as 600℃, making it one of the most thermal stability varieties among polymers.

Understand Polyimide (PI)

Titanium Grade 1

Titanium Grade 1 | 3.7025

Titanium Grade 1 (CNC) is a commercially pure metal with excellent corrosion and impact resistance and good machinability and weldability.

Understand Titanium Grade 1

Titanium Grade 2

Titanium Grade 2 | 3.7035

Stronger than Grade 1 and equally corrosion-resistant, excellent bio-compatibility.

Understand Titanium Grade 2

Titanium Grade 5

Titanium Grade 5 | 3.7165 | Ti6Al4V

Stronger than Grade 5, equally corrosion-resistant, and excellent bio-compatibility.

Understand Titanium Grade 5

Aluminum 5083-H111

Aluminum 5083-H111 | 3.3547 | 54300| AlMg4.5Mn0.7

Aluminum 5083 (CNC) is a strain hardening aluminum alloy with excellent corrosion resistance. Suitable for marine applications. Can be welded.

Understand Aluminum 5083-H111

Aluminum 6063

Aluminum 6063 | EN AW-6063 | 62400| AlMg0,7Si

Aluminum 6063 has good mechanical properties and can be heat treated. Suitable for aerospace applications. Can be welded.

Understand Aluminum 6063

Aluminum 5052

Aluminum 5052 | EN AW-5052 | 3.3523 | AlMg2,5

Aluminum 5052 is a strain hardening aluminum alloy with excellent corrosion resistance. Suitable for marine applications. Can be welded.

Understand Aluminum 5052

Aluminum 2024-T351

Aluminum 2024-T351 | 3.1355 | 24530 | AlCu4Mg1

Aluminum 2024 is a high-strength alloy with excellent fatigue resistance. Suitable for aerospace applications.

Understand Aluminum 2024-T351

Aluminum 7050

Aluminum 7050 | EN AW-7050 | 3.4144| AlZn6CuMgZr

Aluminum 7050 has excellent mechanical properties with good ductility, high strength, toughness and good resistance to fatigue. Suitable for aerospace applications.

Understand Aluminum 7050

Aluminum MIC-6

Aluminum MIC6

Aluminum MIC6 is a light weight material that can be easily machined at high speed and is free from tension, contaminants and porosity.

Understand Aluminum MIC-6

Aluminum 6082-T651

Aluminum 6082-T651 | 3.2315 | 64430 | AlSi1MgMn

Aluminum 6082-T651 (CNC) has very similar composition and properties to 6061, with slightly higher tensile strength. Compliant with British Standards.

Understand Aluminum 6082-T651

Aluminum 2017A

Aluminum 2017A | 3.1325 | 24530 | AlCu4MgSi

Aluminum 2017 has a higher ductility and formability than Aluminum 2014 and has intermediate strength.

Understand Aluminum 2017A

Aluminum 7075-T651

Aluminum 7075-T651 | 3.4365 | 76528 | AlZn5.5MgCu

Aluminum 7075-T651(CNC) is an aerospace-grade material with excellent strength-to-weight ratio and strength and hardness comparable to steels. T651 is the temper of Aluminum 7075, and to achieve this temper, the alloy is solution heat-treated, stress relieved, and then artificially aged.

Understand Aluminum 7075-T651

Aluminum 2014

Aluminum 2014 | 3.1255 | 24345 | AlCu4SiMg

Aluminum 2014 is easily machined and can be hardened to get strengths comparable to steel, but is prone to corrosion. Suitable for aerospace applications.

Understand Aluminum 2014

Aluminum 6061-T651

Aluminum 6061-T651 | 3.3211 | 65028 | AlMg1SiCu

Aluminum 6061-T651 is commonly used in aerospace, automotive and construction industry, as it is valued for its high strength, excellent machinability, and good weldability. The "T651" designation indicates that the material has been heat-treated to a specific level of hardness.

Understand Aluminum 6061-T651

Aluminum 7075-T7351

Aluminum 7075-T7351 | 3.4365 | 76528 | AlZn5.5MgCu

Aluminum 7075-T7351 is commonly used in aerospace and defense applications, as well as automotive and transportation, as it is valued for its high strength, excellent machinability and good fatigue resistance. The "T7351" designation indicates that the material has been heat-treated to a specific level of hardness.

Understand Aluminum 7075-T7351

Alloy Steel 4140

Alloy steel 4140 | 1.7225 | EN19 | 42CrMo4

Alloy steel 4140 (CNC) has good overall properties, with good strength and toughness. Suitable for many industrial applications. Not weldable.

Understand Alloy Steel 4140

Alloy Steel 4340

Alloy steel 4340 | 1.6511 | 36CrNiMo4 | EN24

Alloy steel 4340 (CNC) can be heat treated to high strength, while maintaining good toughness, wear resistance and fatigue strength. Weldable.

Understand Alloy Steel 4340

Alloy Steel 1215

Alloy steel 1215 | EN1A | 1.0715

Alloy steel 1215 is a low tensile, low harden-ability carbon steel. Can be machined at higher speeds.

Understand Alloy Steel 1215

Aluminum 6061-T6

Aluminum 6061-T6 | 3.3211| 65028| AlMg1SiCu

Aluminum 6061 (CNC) is the most popular aluminum alloy. It has good strength-to-weight ratio, excellent machinability and natural corrosion resistance.

Understand Aluminum 6061-T6

Stainless Steel 15-5 PH

Stainless steel 15-5 PH | 1.4545 | X5CrNiCu15-5

Stainless steel 15-5 has a higher toughness than 17-4, better corrosion resistance and transverse properties compared to other similar martensitic grades.

Understand Stainless Steel 15-5 PH

Stainless Steel 301

Stainless steel 301 | 1.4310 | X10CrNi18-8

Stainless steel 301 is corrosion resistant similar to Stainless steel 304.

Understand Stainless Steel 301

Stainless Steel 430

Stainless steel 430 | 1.4016 | X6Cr17

Stainless steel 430 is magnetic and corrosion resistant.

Understand Stainless Steel 430

Stainless Steel 440C

Stainless steel 440C | 1.4125 | X105CrMo17

Stainless steel 440C has improved toughness and corrosion resistance due to Carbon and Chromium content.

Understand Stainless Steel 440C

Aluminum 6082

Aluminum 6082 | 3.2315 | 64430| AlSi1MgMn

Aluminum 6082 (CNC) has very similar composition and properties to 6061, with slightly higher tensile strength. Compliant with British Standards.

Understand Aluminum 6082

Stainless Steel 420

Stainless steel 420 | 1.4028 | X30Cr13

Stainless steel 420 provides high strength and corrosion resistance. It is the hardest of all stainless steels when hardened.

Understand Stainless Steel 420

Aluminum 6060

Aluminum 6060 | 3.3206 | AlMgSi

Alloy 6060 offers good strength, relatively good corrosion resistance and is suitable for decorative anodizing.

Understand Aluminum 6060

Stainless Steel 2205 Duplex

Stainless steel 2205 Duplex | 1.4462 | X2CrNiMoN 22-5-3

Stainless steel 2205 Duplex (CNC) is the alloy with the highest strength and hardness. Suitable for applications in severe environments up to 300°C.

Understand Stainless Steel 2205 Duplex

Stainless Steel 416

Stainless steel 416 | 1.4005 | X12CrS13

Stainless steel 416 is magnetic and has a high machinability.

Understand Stainless Steel 416

Stainless Steel 17-4 PH

Stainless Steel 17-4 PH | 1.4542 | X5CrNiCuNb16-4 - Annealed state

Stainless steel 17-4 (CNC) - SAE grade 630 - is a precipitation hardening alloy with good corrosion resistance. Can be hardened up to 44 HRC.

Understand Stainless Steel 17-4 PH

Stainless Steel 303

Stainless steel 303 | 1.4305 | X8CrNiS18-9

Stainless steel 303 (CNC) has excellent toughness, but lower corrosion resistance than 304. Ideal for high volumes, due to its excellent machinability.

Understand Stainless Steel 303

Stainless Steel 316/316L

Stainless steel 316/316L | 1.4401/1.4404 | X5CrNiMo17-12-2/X2CrNiMo17-12-2

Stainless steel 316L (CNC) has similar mechanical properties to 304, with higher corrosion and chemical resistance. Ideal for marine applications.

Understand Stainless Steel 316/316L

Stainless Steel 304/304L

Stainless steel 304/304L | 1.4301/1.4307 | X5CrNi18-10/X2CrNi18-9

Stainless steel 304L (CNC) has excellent mechanical properties and good machinability. Resistant to most environments and corrosive media.

Understand Stainless Steel 304/304L

Aluminum 7075-T6

Aluminum 7075-T6 | 3.4365 | 76528 | AlZn5,5MgCu

Aluminum 7075-T6 (CNC) is an aerospace-grade material with excellent strength-to-weight ratio and strength and hardness comparable to steels.

Understand Aluminum 7075-T6

Applications

Medical

Small surgical instruments and implant components
Dental tools and precision parts

Electronics

Connectors, pins, and small housings
Precision contacts and terminals

Precision Mechanical

Gears, bushings, and small shafts
Watchmaking and miniature components

Aerospace

Small fittings, connectors, and pins

Capabilities

We specialize in machining small precision components under 50mm. Processes include small-part turning and milling with tight tolerances. Swiss turning available for long slender parts. Materials include metals and plastics. Quality inspection includes vision systems and CMM. Medical instruments, electronics components, and precision mechanical parts are typical applications.

Finishes

Technical Specs

FAQs

What size is considered small CNC?

Parts typically under 50mm in size. We also machine micro-precision components.
What tolerances can you hold?

Precision at ±0.01mm, high-precision at ±0.005mm on request.
What materials are available?

All standard metals and engineering plastics.
Do you provide inspection on small parts?

Yes, vision systems and CMM inspection for verification.
What industries use small CNC?

Medical, electronics, aerospace, and precision mechanical.

Services

Industries

Cases

Materials

Resources

Company

Small CNC

FR4

FR4

PEEK

PEEK

PTFE(Teflon)

PTFE

POM-C

Acetal Copolymer (POM-C)

Ultem 1000 (PEI)

PEI Ultem 1000

ABS

ABS

PET

PET

Igus iglidur

iglidur

PAI

PAI

PPS

PPS

Polysulfone (PSU)

PSU

PMMA (Acrylic)

PMMA (Acrylic)

Alloy Steel 16MnCr5

Alloy steel 1.7131 | 16MnCr5

PVC

PVC

Nylon 6

Nylon 6

Polypropylene (PP)

PP

Polycarbonate (PC)

PC

HDPE

HDPE

UHMW-PE

UHMW-PE

PPSU

PPSU | UL94 V-0

Polyurethane (PU)

PU

Brass C38500

Brass C38500 | 2.0401 | CuZn39Pb3

Brass C360

Brass C360 | 2.0375 | CuZn36Pb3

Copper C101

Copper C101 | CU OFE

Copper C110

Copper C110 | CU ETP

Inconel 718

Inconel 718

Invar 36

Invar 36

Mild Steel S275JR

Mild steel S275JR | 1.0044 | Fe430B

Mild Steel A36

Mild steel A36 | 1.025 | Fe 410

Mild Steel S235JR

Mild Steel S235JR | 1.0038 | Fe 360 B

Mild Steel 1045

Mild steel 1045 | 1.0503 | C45 | EN8

Mild Steel S355J2

Mild steel S355J2 | 1.0577 | 1522H | Fe 510 D

Mild Steel 1018

Mild steel 1018 | 1.1147 | C18 |16Mn

Tool Steel H13

Tool steel H13 | 1.2344 | X40CrMoV5-1 - Annealed state

Tool Steel S7

Tool steel S7 | 1.2355 | 50CrMoV13-15 - Annealed state

Tool Steel A3

Tool steel A3 - Annealed state

Tool Steel O1