Best CNC Router Spindle

Disclaimer: All claims are strictly my personal opinion. As an Amazon Associate, I may earn from qualifying purchases.

The spindle is the backbone of any CNC router.

It mainly comprises a fast rotating assembly. A spindle decides the efficiency of a CNC router regardless of what bits and other stuff you will use.

Planning to invest in a CNC router spindle is definitely a challenging task. With several kinds of CNC router spindles within the market, you must be wondering which one is the best choice.

The best part about choosing the most suitable CNC router spindle is that it helps you achieve impeccable results.

The spindle motor in the CNC machine rotates it using the optional transmission. The transmission matches well with the rpm of the spindle against the maximum rpm level of the spindle motor.


Here are my recommended products picked out through amazon you would be interested in depending on your budget…

10 Best CNC Router Spindle Reviews

I have compiled a list of the best CNC Router Spindle available.

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1. SZCY LLC CNC Spindle Kit | Best for DIY  CNC Engraving

  • Milling Motor: 500 W
  • Weight: 4.8 poundsOperating voltage: 100VDC
  • Torque: 5000G/CM
  • Current: 4A
  • Power Source: AC/ DC

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What we Like!
  • Highly compatible with complete control over speed.
  • Comes with an air-cooling mechanism.
  • Offers excellent elasticity with extended service life.
Things to Consider!
  • It doesn’t offer enough torque.


This air cooling spindle system comes with low noise capacity. What makes this spindle the best choice is that it features good elasticity with extended service life.

The best part regarding this 500W CNC air-cooled spindle is that it is highly compatible with different motors supporting potentiometer speed control.

Moreover, this spindle is widely used within electric tools, small appliances, fan control systems, water pumps, and more. This spindle comes with an operating voltage of around 100VDC with a dielectric strength of about 400V.

The air temperature offered with this spindle’s speed power converter is approximately -10 to 40 degrees celsius. The relative air humidity is under 85%.

That’s not all! The ER 11 collet set featured in this spindle kit is manufactured using first-class 1065 carbon steel. This material is wholly hardened with precise grounding.

It is formulated using high-grade formulated spring steel.

Besides that, it features a 52mm clamp made from high-quality cast aluminum, making it extremely strong.

The durable well-finished surface is sandblasted, ensuring excellent smoothness.

The V-shaped End CNC mill bit is made using blade carbide, offering high wear resistance, hardness, strength, resistance against bending, extended tool life with anti-impairment.

Lastly, this spindle kit comes with ER11A, a precision spanner working well for hobbyists and professionals that offers ease in operation and great work results.

2. VFD CNC Spindle Motor Kits |Best for All Round Tasks

  • Horsepower: 3 hp
  • Rated Frequency: 400 Hz
  • Voltage: 220.00 volts
  • Weight: 22.25 Pounds
  • Wattage: 2.20
  • Power Source: AC

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What we Like!
  • Works for constant and variable torque loads.
  • Comes with enough power.
  • Offers excellent cooling with perfect lubrication.
Things to Consider!
  • It needs to be equipped with Vfd for usage.


This Huanyang electrical spindle kit comes with a frequency of around 400Hz. For instance, if the input voltage is about 220V, the frequency will be around 50-60Hz, resulting in damaging effects over the spindle as VFD does not support external resistors. While using this spindle, you need to consider that its fan runs even if the motor is not functioning, so you might need to customize the fan’s functions.

This spindle kit comes with 1 x 220V-2.2KW Φ80mm 4bearings 24000RPM, ER20 collet Water Cooled Spindle Motor, 1 x 220V-2.2KW VFD, 1 x 220V-75W Water Pump, 1 x 5m Water Pipe, 1 x 80mm motor clamp mount.

You can use this VFD to constantly load torque like hard starting, HVAC units, and air compressors. Plus, you can also use it for variable torque loads like fans, pumps, and others.

You can also use the VFD for motor speed control or phase converter what’s more! This specific item makes use of Sine wave PWN which is ideal for control systems, making it compatible with Mach 3 controllers.

The spindle motor in this kit works well for engraving machines, wood carving, engraving advertisements, CNC machines, mini processing centers, high-speed centrifugal machines, and more.

Now, if we talk about the VFD specs, it comes with 2.2KW power. The VFD works well with 220V three-phase and single-phase inputs each.

The spindle motor comes with a cover made from stainless steel, having a water jacket of high compression cast aluminum tube with red copper coil. The cooling method for this spindle kit is water cycling.

This spindle lubricates with high-temperature resistance grease lubrication.

3. Konmison 1Set Mini CNC Lathe | Best for Hobbyists

  • Torque: 5000G/CM
  • Operating voltage: 100VDC
  • Weight: 4.73 pounds
  • Current: 4A
  • Power: 500W

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What we Like!
  • Works well for light material carving like wood or aluminum tasks.
  • It comes with a brushed DC motor.
  • It is highly durable and stormy.
Things to Consider!
  • This spindle features a mounting bracket that is non-threaded.
  • Does not work well for steel or high-density aluminum.


Konmison Mini is a type of spindle with an air-cooling mechanism having 110VAC plus MACH3 analog input. What makes this spindle unique is that it features a torque value that ranges around 5000Newton/ Metre.

The high-precision spindle of this kit comes with a minimum runout time of about 0.01 to 0.03 with a speed range from zero to up to 11000 RPM.

The motor of this spindle operates, having a voltage of around 100VDC with a required power supply of about 500 watts. The diametric value featured in this spindle is approximately 52mm.

Utilize this CNC spindle kit efficiently to perform latch-related work tasks. Perform car hoisting, milling, or apply it to the pumps, conveyors, or more. So overall, if you are seeking a spindle kit that offers you 100% satisfactory results, you definitely need to try this spindle model.

What’s more! This spindle is manufactured using aluminum, metal, and ABS, making it exceptionally strong and durable.

Lastly, this package includes:

1 x 500W Air-Cooled Spindle Motor, 1 x 52mm Mount Bracket, 1 x 110V Speed Governor with MACH3, 4 x Screws, and 13 x ER11 collet.

4. MYSWEETY CNC Spindle | Best for Industrial Tasks

  • Operating voltage: 100VDC
  • Weight: 4.71 pounds
  • Speed: 12,000 rpm
  • Power: 500W
  • Voltage: AC 110

See at Amazon!

What we Like!
  • It works well for strenuous and vigorous tasks.
  • Comes with impeccable features and enhanced longevity.
  • Features high durability with no vibrations.
Things to Consider!
  • Some people faced issues initially switching it on.


It’s pretty challenging to find a motor kit that is a top-notch choice and contains all essential items for performing tasks.

If we talk about this CNC milling and spindle kit, this offers you stunning features, making it an incredible choice to work on several tasks.

The highlighted features of this spindle include a 500W spindle motor with 13 impeccable ER11 collects, four screws, 52mm mounting brackets.

The entire package offers you complete efficiency at tasks without any need of spending any extra bucks.

Overall, it is a mighty motor. With maximum PD input, this motor can revolve at high frequencies of around 50-60Hz.

It comes with a rate of around 12000RPM. With high revolutions per minute, it comes with a staggering torque of about 5000G each cm. This indicates that you can easily use this item for performing several countless projects.

The diverse range of collects offered in this spindle kit with the long-live mounting brackets and sturdiness make it a perfect choice. The exceptional performance of this spindle kit makes it ideal for all work tasks.

5. MYSWEETY CNC Spindle Motor Kit | Best for Wood Work

  • Speed: 24,000 rpm
  • Voltage: 220V
  • Inverter Frequency: 400Hz
  • Power: 2.2KW
  • Weight: 22 pounds

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What we Like!
  • Instant control on the speed with knob over a Variable frequency drive.
  • Well-suited for milling sturdy materials due to great frequency and voltage power.
  • No more spending extra money with this kit.
Things to Consider!
  • You need inverter AC for controlling the rotation speed.


Next up, when we talk about MY SWEETY CNC spindle kit. It features a 2.2KW water cooling spindle motor with an 80mm clamp mount. Plus, it comes with a 12pcs ER20 collet with a 5M water pipe with a water pump for the CNC router.

What makes it incredible is that it includes 1 x 2.2KW VFD, 1 x 5M Water Pipes, 1 x 2.2KW Spindle Motor,  1 x 80mm Spindle, 1 x 75W Water Pump, 1 x 70mm Brush, 13 x ER20 Collet, 10 x Drill Bits.

The runout featured in this spindle kit is less than 0.001mm with a voltage of around 220V having a speed of around 24000RPM. The frequency featured by this spindle is around 400Hz. This spindle motor applies well for mills, lathes, pumps, conveyors, and car hoists.

The water pump featured in this spindle kit is a single-stage pump with high pressure that offers submersible application. The spindle motor clamp mount is made from aluminum with a sandblasted surface.

This motor clamp mount works well for woodworking industrial routers like wooden door milling cutting or engraving and furniture producing.

To connect this spindle kit, you can check out the user manual, making it relatively easy for users.

6. Huanyang CNC Spindle | Best For Small Shops

  • Rated frequency of spindle: 400 Hz
  • Speed: 24000rpm
  • Weight: 11.88 pounds
  • Power: 2.2KW
  • Power Source: Hand-powered

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What we Like!
  • The four bearings offer a robust rotational force.
  • This product is made from durable material.
  • It is a noiseless, fantastic product.
Things to Consider!
  • Connect it with a 400Hz, 220V frequency drive for its usage.
  • This product lacks any mount.


This Huanyang water-cooled spindle comes with 220V-2.2KW power having four bearings with a frequency of around 400Hz. It comes with a 6mm collet. The rated frequency for this spindle is about 400Hz, so if you place 110V of input at 50-60Hz, this can damage your spindle.

This spindle is unique because it comes with high precision bearings to offer stable performance at work. The operating speed of this incredible spindle is around 6000 to 24000 RPM.

For what purposes can you use this spindle, including engraving machine, wood carving, CNC machine, advertisement engraving machine, high-speed centrifuge, and small processing center with much more.

What’s more! This spindle comes with bearings having high-speed angular contact. The shell comes with a liquid cycle for cooling purposes, reducing the heat that might occur due to high-speed rotations.

The best part regarding this spindle is that it comes with a precise steel ball holder, which ensures precise spindle rotation during high speed. Moreover, this spindle comes lubricated using grease, making it resistant to 200 degrees of high temperature.

The material of this spindle is made from stainless steel with a water jacket which is resistant against high compression. Overall it’s a fantastic product that is highly stable with great functionality.

7. TOPCHANCES CNC Spindle Motor | Best for Noiseless Operation

Best Spindle for CNC Routers

  • Speed: 12000r/min
  • Operating Voltage: Max 65V
  • Power: 400W
  • Weight: 3.24 pounds
  • Torque: 500mN.m

See at Amazon!

What we Like!
  • This spindle is an excellent value for money.
  • It comes with a soft-start function, so no more damage.
  • Features noiseless operation.
Things to Consider!
  • No such negative reviews by the users.


The Top Chances 400W spindle for CNC machines is a low voltage operating device with a range of around 12-60V DC. This spindle can easily support a maximum voltage of about 65V.

The control power in this spindle corresponds with the range of around 120-600 watts.

This spindle is unique because it comes with a soft-start function that hinders the excess generation of current by the motor. Plus, the power damage can be easily adjusted from 0 to 5 seconds.

For using pulse width modulation signal controlling mode, you have to disconnect the potentiometer. Otherwise, you cannot use its PWM mode.

This spindle kit comprises a 1 x 0.4KW Spindle motor, 1 x PWM Controller, and 1 x Mount.

This spindle motor comes with aluminum alloy having a Mach3 speed controller and amount of 3.175mm with 12000r each minute.

This spindle comes with a torque of around 500mN with a dielectric strength of about 400V and a motor length of 186mm.

8. Mophorn CNC Spindle Motor | Best for Engraving Milling Machine

  • Speed: 8000-24000 R/min
  • Voltage: 220V~250V
  • Frequency: 400 Hz
  • Weight: 3kgs
  • Power: 0.8KW

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What we Like!
  • Premium quality with powerful performance to users.
  • Incredible protection system balance design.
  • Suitable with a variable frequency drive inverter.
Things to Consider!
  • You cannot operate the spindle directly using Arduino.
  • It needs network protocols like Ethernet for controlling VFD.


What you’ll love about this next spindle is that it offers 0.8KW power and is a water-cooled spindle. It comes with a maximum of 24000 revolutions each minute with 400Hz frequency with less than 0.005mm runout.

The variable frequency drive in this spindle utilizes PID control with an advanced analysis PIC closed-loop arithmetic program. The high suitability with the rapid responding speed in this spindle allows accurate work with precision.

The best part regarding this spindle is that it comes with premium quality having Germany imported bearings. This VFD is manufactured using top-notch quality material offering easy operation, stable performance, less noise, high quality, and much more.

That’s not all! This spindle offers users impeccable performance with a frequency drive inverter, which adopts the PIC closed-loop arithmetic.

Moreover, it comes with a unique protection system that is error-free and offers protection to the machine against short circuits. This spindle reduces any damage to the device with extended shelf life. This spindle ensures excellent performance.

Lastly, this spindle kit collaborates with the frequency drive inverter, enhancing the VFD’s performance and improved work efficiency. Overall, it comes with innovative, advanced balancing technology making it noiseless, efficient, and long-lasting life… the powerful bearings in this spindle offer anti-rust performance with superior durability. The anti-rust material with high concentration and precision makes this spindle an incredible choice.

9. Mophorn Spindle Motor 1.5KW | Best for Metal Milling

  • Current: 8 A
  • Voltage: 220 V
  • Speed: 1-24000 rpm
  • Power: 1.5 KW
  • Weight: 4kg

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What we Like!
  • High efficiency with impeccable performance.
  • Comes with balanced technology.
  • Heat dissipation is added for stable operation.
Things to Consider!
  • No negative reviews by users till now.


This Mophorn air-cooled spindle comes with the power of 1.5KW, having ER11 collet with 24000RPM. The 220V CNC spindle motor works well for Engraving CNC milling machines.

This spindle comes with a 0.01mm runout with perfect usage for milling.

This spindle is unique because it comes with advanced, balanced technology, which offers efficiency with noiseless operations. The technology of this CNC spindle offers improved life.

The nut of this spindle is manufactured using manganese steel which makes it perfect for precision.

Moreover, this spindle comes with exceptional performance bearings, which offer high precision, durability, and high concentricity. The improved rust resistance and hardness make this spindle a great choice.

Overall, this spindle comes with a heat dissipation method that improves stability with a smooth operation when performing tasks.

You can widely use this CNC router spindle for frequency converter and engraving machines.

10. Genmitsu CNC Spindle Motor | Best for high-level tasks

  • Weight: 1.01 pounds
  • Speed: 1-24000 rpm
  • Current: 8 A
  • Power: 24V
  • Frequency: 400 Hz,

See at Amazon!

What we Like!
  • Comes with maximum rotation speed.
  • Great performance, efficiency, and precision.
  • Sturdy built leading to noiseless operation.
Things to Consider!
  • Some people complain about its balance issues.


Our last product on the list is Genmitsu, which allows you to achieve an immediate upgrade with a quick experience. The speed offered with this CNC spindle sees around 20000 in each minute.

The preinstalled motor in this kit allows noise suppression which offers enhanced performance. This spindle is compatible with the 3018 All Series CNC router. You can apply it to mills, lathes, pumps, car hoists, conveyors, and much more.

What makes Genmitsu unique is that they ensure to offer top-notch quality, superior products to the users. Besides that, this spindle comes with high speed, allowing efficient and precision engraving work for users.

The best part regarding this spindle is that it comes with low noise during work leading to enhanced performance. Plus, it offers high speed for extra drilling and engraving work.

This motor is highly suitable for desktop drilling and milling machines. Moreover, it works well for cotton candy machines, CNC router machines, precision battery vehicles, small lathes, toy cars, and much more.


Here is a comparison table for these CNC spindles that help decide that is the best for you;

NAME Weight/lb.  Dimensions/in. Power Source Cooling Method Best for…


4.8 9.21 x 7.56 x 5.47 AC/DC Air-cooled DIY CNC engraving


22.25 17 x 14.5 x 10 inches AC/DC Water-cooled All-purpose tasks


4.73 11.46 x 7.83 x 6.77 AC/DC Air-cooled Hobbyists
MYSWEETY 4.71 11.5 x 7.6 x 6.73 AC/DC Air-cooled Industrial tasks
MYSWEETY 22 19.02 x 17.52 x 10.51 AC/DC Water-cooled For Small Shop


11.88 13.8 x 5.6 x 5.6 AC/DC Water-cooled The small size processing center


3.24 7.64 x 5.75 x 3.54 AC/DC Air-cooled Noiseless operation


3 7 x 15  x 7 AC/DC Water-cooled Engraving milling machine
MOPHRON 4 16 x 7 x 7 AC/DC Air-cooled Metal Milling
GENMITSU 1.01 6.14 x 4.65 x 2.6 AC/DC  Air-cooled High-level tasks

Factors you need to consider when buying the best CNC router spindle

Are you planning to invest your money in the best CNC router spindle? Then look at the factors you need to consider while buying the best CNC router spindle.


First of all, the most crucial factor to consider is the budget. It’s ideal for getting the best CNC router spindle, but you definitely need to consider your budget.

Set the budget and decide how much you plan to invest. There is a wide range of machines within the industry which includes low-ranged, high-range, and mid-range.

With the diverse range of options available in the market, choose the CNC router spindle wisely.

Types of CNC router spindle

There are two different types of spindle power in the market: water cooling and air cooling spindle.

The water cooling spindle comes with a low power level which is between 1.5KW to around 2.2 KW. These spindles serve well for materials ranging from MDF or PVC.

They are basically ideal for projects which are made from soft materials. Water cooling spindles work well for people who have a considerable number of projects.

Air cooling spindles, on the other hand, are perfect for massive projects. You can use such spindles for cutting or engraving the units. You need a tremendous amount of power for such tasks, around 3.5KW or more, achieved through an air cooling spindle.


Choose the CNC router spindle that works faster, allowing you to work more precisely, efficiently, and with an incredible speed. Moreover, CNC router spindles in the market will enable you to change the speed according to your needs.


Choose the CNC spindle, which results in more voltage input compared to the overall current. This results in extra output leading to more voltage which is directly proportional to the current. For instance, AC being more than 200V is high enough to cut solid materials and cut wood.

Types of spindles based on the mode of action

There are three different forms of spindles based on work mode. Cartridge spindles are types that Vertical machining centers mostly use. What makes them the best choice is that they result in a top-notch end product.

Moreover, they don’t require any motor or transmission. Plus, they come with a rotating assembly. Lastly, such spindles are easy to make compared to fabricated spindles.

The next spindle type is fabricated spindles which are hard to work upon. What makes CNC router spindle challenging is that they are challenging in terms of changing. You can utilize these spindles within cast iron housings.

Lastly, there are self-contained spindles that are utilized during the DIY projects. They are the spindles that come with the motor plus the rotating assembly. You can safely mount the self-contained spindles over the spindle clamp.

Types of CNC router spindles based on power:

The CNC router spindles are divided into two types: a high-power cutting spindle and a fine machining spindle. The spindles with fine machining come with low noise, high precision, and high speed.

Such spindles come with low power, which is around 250W.

Such CNC router spindles are meant to work on delicate workpieces like nameplates, badges, seals, or gifts. You need to pay extreme attention while using these spindles because they come with poor cutting efficiency.

The high-power cutting spindles, on the other hand, come with strong cutting capabilities with high power.

They are mainly used for high-power engraving. Plus, they are highly suitable for three-dimensional characters or cutting fonts. Moreover, you can use these spindles for making breastplates, seals, nameplates, and much more!

Spindle speed:

Check out the CNC router spindle speed while investing in one. The nominal value of spindle speed comes with a plate written with 12000, 15000, 18000, 24000, or 40000 rpm, which identifies the revolutions per minute.

The inverter controls the revolutions, but the power of the spindle is the torque value multiplied with rotational speed, preserving the torque while reducing revolutions.

However, the high-speed spindles are not meant for all materials and are produced within low power ranges.

The high-speed spindles are best for working on composite materials, wood, aluminum, or laminates. If you plan on machining stainless steel, steel, or thermoplastics, it is recommended to avoid high speeds.


This is one of the utmost factors which you need to consider while buying a CNC router spindle. These machines are meant to carry heavy-duty tasks, so it is essential to choose the CNC router spindle, which lasts a long time.

Choose the one which comes with heavy material rather than being made from a cheaper one. Other than that, it is also essential to choose the spindle which comes with a rust-resistant texture.

Quality of the CNC router spindle:

When buying the CNC router spindle, make sure that it comes with high precision bearings. If your spindle lacks the high-precision bearings, the performance with such spindle will be low, leading to overheating the machine after long-term, speedy rotations.

Such performance of spindle motors can lead to destructive effects over the service of the spindle motor even if you feel harmonious rotations with uniform speed.

The only reference that identifies the quality of the spindle is that it should cut hard materials when working at higher speeds. Some spindles are only meant for cutting hard materials at low speeds. So if you run them at high speed, they will lose their performance, leading to malfunctioning of the machine with loss of spindle accuracy.

Final Verdict

With a lot of research and input from our side, we made sure to offer you a comprehensive review regarding the top 10 best CNC router spindles in the market.

You can use these spindles for all your projects based on your needs and requirements. Choose the best CNC router spindle now for ensuring powerful performance, efficiency, and complete precision at work.

No more hassle of achieving accuracy as the best CNC router spindle will meet your target.

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You may also love to read these my reviews and the buying guides…

Frequently Asked Questions regarding the best CNC router spindle

Here are a few questions that people used to ask about CNC router spindles;

What is the Best CNC Router Spindle?

I have compiled a list of the best CNC Router Spindle available in 2021;

  1. SZCY LLC CNC Spindle Kit | Best for DIY  CNC Engraving
  2. VFD CNC Spindle Motor Kits |Best for All Round Tasks
  3. Konmison 1Set Mini CNC Lathe | Best for Hobbyists
  4. MYSWEETY CNC Spindle | Best for Industrial Tasks
  5. MYSWEETY CNC Spindle Motor Kit | Best for Wood Work
  6. Huanyang CNC Spindle | Best For Small Shops
  7. TOPCHANCES CNC Spindle Motor |Best for Noiseless operation
  8. Mophorn CNC Spindle Motor | Best for Engraving milling machine
  9. Mophorn Spindle Motor 1.5KW | Best for Metal Milling
  10. Genmitsu CNC Spindle Motor | Best for high-level tasks

Is it easy to learn the use of CNC router spindles?

You can quickly grasp the fundamental knowledge regarding the use of basic CNC router spindles. First, watch and learn to use the CNC router spindle. Make sure to have a keen eye on how it works and practice more to learn all basics within a few days or weeks.

What does it mean by CNC router spindle?

The spindle of a CNC router is basically the motor that performs cutting action using cutting tools. The CNC router spindle is actually the router of this machine. With several CNC machines out there, you can find out a wide range of spindle types within the market made from metal, wood, and much more!

What is the cut depth made using the CNC router?

You can see the best results when you use the machine for cutting the material at twice or thrice the diameter in terms of depth.

What is the primary purpose of using CNC router>

Such machines are meant for cutting, carving, or etching surfaces. Using this machine allows you to design the jewelry and also design the sculpture quickly and more efficiently.

What are the most popular CNC router spindles?

If you are seeking some top-notch CNC router spindle by famous brands, then have a look at the following:

  • Changsheng spindle
  • HQD air-cooled spindle
  • HSD air-cooled spindle
  • Italian Hiteco tool changer spindle
  • Shunting spindle

David Houghton
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