Dremel 3000 vs 4000: Which Rotary Tool is Best?

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There’s no end to the things you can do with a reliable rotary tool, from sanding and cleaning to cutting and carving. And when it comes to reliability, Dremel always seems to hit the mark.

If you’ve spent just a few minutes on the internet searching for the best rotary units, the Dremel 3000 and 4000 have probably appeared more times than one could count.

But the thing is, however, is that both units share a lot of the same attributes So, how do you know which one is the best for you? We break down every facet of the Dremel 3000 vs the Dremel 4000.

Dremel 3000 vs 4000


​DREMEL 3000​DREMEL 4000
​1.2 Pounds​1.4 Pounds
​7.5 Inches Long​9 Inches Long
​1.2 Amp Motor​1.6 Amp Motor
​130 Watts​175 Watts
​5,000 – 32,000 RPMs​​5,000 – 35,000 RPMs
​Limited RPM Setting​Unlimited RPM Setting
​No Separate On/Off Switch​Separate On/Off Switch
​EZ Twist Nose Cap​​EZ Twist Nose Cap
​Limited Dremel Compatibility​​Limited Dremel Compatibility


The Dremel 3000 houses a 1.2-amp motor that’s powerful enough to get most of your cleaning, cutting, sanding, and grinding done. But when you compare that motor with the 4000’s 1.6-amp motor, you can see a very significant difference in power.

Now, both motors have one thing in common, which is being variable-speed motors. The Dremel 4000 boasts an adjustable RPM range of 5,000 to 35,000, while the Dremel 3000 has the same initial speed but it caps out at 32,000 RPM.

Analyzing the higher end of their speed ranges, the difference isn’t that big, but that additional 3000 RPM on the Dremel 4000 can be beneficial for some people. Regardless, both offer plenty of power that should be enough to help you carry out most tasks.

As far as speed adjustments, both units have this option. However, the Dremel 4000 overshines the 3000 because it allows you to adjust the speed to exact levels, while the 3000 gives you the option to choose between a bunch of preset speed values.

Another thing that the Dremel 4000 outshines the 3000 at is that it features electronic feedback control, which isn’t available on the 3000. In a nutshell, this feature helps provide the right RPM value for the pressure you’re applying in order to avoid under-performing.

In other words, if you’re running the unit on 23,000 RPM but you’re not applying the pressure it requires to keep the motor from vibrating, the electronic feedback function will kick in to ramp up the RPM value a little bit in order to provide a true 23,000 RPM value.

Since this function isn’t present on the Dremel 3000, you’ll have to determine the right pressure and speed based on your own judgment and experience. If you’re new to rotary tools, you may want to go with the Dremel 4000 as it will help improve your craftsmanship.

A dremel is used to cut through a metal screw


Design-wise, both machines are corded so you won’t face any problem when it comes to power. We love how both tools are ergonomically designed, which allows for hours of use without risk of fatigue. From the comparison table, the Dremel 3000 is indeed the lighter and smaller unit.

The difference in weight and size between the two units are almost unnoticeable, so ergonomics are pretty much the same. However, the Dremel 4000 has an advantage over the 3000, which is the flex shaft which allows for a comfortable, pen-like hold that’s super useful when fine carving.

The Dremel 4000 features a separate on/off switch, which is something that the 3000 lacks. Not to state the obvious, but the switch allows you to flip the tool on and off without having to plug or unplug the cord. This is highly convenient if the power outlet is far from your workstation.

Additionally, the Dremel 4000 features a spin dial which is another feature that helps improve its performance. The great thing about the 4000 is that you can utilize electronic feedback to get an additional push in torque when operating on the lower end of the speed range.

As far as the Dremel 3000, you only get 5 different preset speed options to choose from. Also, it seems to underperform when it operates on its lower end of the speed range. In a nutshell, we’d advise going for the Dremel 4000 if you seek precision on both high and low RPM values.

Both the Dremel 4000 and 3000 utilize the EZ Twist System for quick accessory changes, which is highly convenient because it eliminates the need for spanners. Simply, unscrew the nose cap, press it up the collect, tighten the collect and let it drop down, and then screw it back on.

Initially, it may take you a few minutes to get the hang of this system. Once you do get the hang of it, you’ll be able to swap out accessories within a matter of seconds. This is a very convenient feature for beginners because it usually takes a while to swap accessories in and out a unit that doesn’t have this feature.


As far as durability is concerned, we think that both tools live up to the same standards, which is expectable since they both come from the same manufacturer. However, there seems to be a bit of gripe in both models and in a couple of other Dremel products.

The first problem we have with both units is that their construction allows fine dust to find its way inside. This can cause a pretty big problem with the connections inside both units. Luckily, this is a problem that can be resolved by blowing both units out with compressed air.

The other problem that a lot of users seemed to have encountered whenever the tool is dropped is that a blue grounding wire suddenly pops out of nowhere. It’s not very serious, you can simply open the unit and reinsert the wire. And this isn’t a problem that occurs very often anyway.

All in all, both units are highly durable and will stand the test of time. But there is a divide when it comes to the sturdiness of their attachments. The 3000 comes with plastic attachments that sort of fall short when compared to those accompanied by the Dremel 4000.

The variation in attachments’ durability creates another divide as far as the type of tasks that are to be carried out with each unit. The 3000 is excellent for use on wood and plastic, whereas the Dremel 4000 is preferred for heavy-duty tasks such as working on metal and ceramics.

A cordless Dremel sits on a table


The Dremel 4000 comes with four, highly practical attachments. It features a handle attachment that enables intricate workmanship, a grinding/sanding guide, a circle cutter/straight edge guide, and a multipurpose guide for cutting. Sounds pretty cool, huh?

The predecessor, on the other hand, only features a grinding/sanding guide and a cutting guide. Keep in mind that you can always buy Dremel attachments separately, but it’s important to know that the Dremel 3000’s compatibility falls short compared to the Dremel 4000, meaning that not all Dremel attachments are going to fit on it.


The Dremel 3000 is a budget-friendly option that offers tremendous value. The tool can virtually do anything if given enough time. In addition, it comes with a pretty wide range of attachments. The Dremel 4000, on the other hand, is considered arguably the best rotary tool on the market. It offers a ton of remarkable features and a huge number of accessories and attachments.

If you’re completely new to using rotary tools or if you’re cost-conscious, the Dremel 3000 won’t disappoint at all. It offers great functionality and remarkable durability. However, if you’re aiming for more functionality and higher quality, the Dremel 4000 is the obvious choice. The 4000 is the right tool for someone who’s always tackling new and more challenging projects.

What Users Say

A significant number of users have stated that the Dremel 3000 is worth the investment if you’re a beginner since you really have nothing to compare it to. However, if you have experience with Dremel rotary tools, the Dremel 4000 would be the better choice for you. We’ve also concluded that a lot of users tend to buy the Dremel 3000 just because it’s cheaper than the 4000 model.

The Dremel 4000 is slightly more durable than the 3000 model and, in terms of performance, it’s a lot faster and much more powerful. Also, it’s crystal clear that Dremel 3000’s kits don’t offer as many accessories or attachments as those of the 4000.

And the more you have, the more doors are unlocked as far as possibilities. Not to mention that the Dremel 4000 is more comfortable to hold and use.

Dremel 3000 Kit Options

Dremel 3000-1/24

  • 2x aluminum oxide grinding stone and 1x carbide grinding stone
  • 3x felt polishing wheel and 1x polishing compound
  • 1x nylon bristle brush and 1x carbon steel brush
  • 1x high-speed cutter for engraving and carving and 2x cut-off wheel for cutting
  • 2x sanding drum and 7x sanding band
  • 1x dressing stone, 1x wrench, and 2x miscellaneous mandrel accessories

The 3000-1/24 is an ideal rotary kit for beginners or people who don’t use their tools regularly. It can help you with carrying out a wide range of home improvement projects. It’s highly affordable as well. The kit comes with 1 attachment and it has fewer accessories than the other two kits.

Dremel 3000-1/25

  • 2x aluminum oxide grinding stone and 1x silicon carbide grinding stone
  • 8x sanding band and 2x sanding drum
  • 2x cut-off wheel for cutting and 4x felt polishing wheel
  • 1x polishing compound and 1x carbon steel brush
  • 1x dressing stone, 1x wrench, and 2x miscellaneous mandrel accessories
  • 1x high-speed cutter engraving and carving

Looking at both the 3000-1/25 and 3000-1/24, you’ll notice that it doesn’t have the nylon bristle brush, but it does have an additional sanding band and felt polishing wheel. We’d advise this kit for people who are heavily involved in sanding and polishing applications.

Dremel 3000-2/28

  • 3x aluminum oxide grinding stone and 1x silicon carbide grinding stone
  • 5x felt polishing wheel and 1x polishing compound
  • 1x nylon bristle brush and 1x carbon steel brush
  • 5x sanding band and 1x sanding drum
  • 1x high-speed cutter, 1x diamond wheel point, and 1x engraving cutter
  • 1x multipurpose cutting bit and 2x cut-off wheels
  • 1x dressing stone, 1x wrench, and 2x miscellaneous mandrel accessories

This is the largest kit that the Dremel 3000 has to offer with 2 attachments and 28 accessories. Obviously, you can do a lot more with this kit than with the other two. However, compared to the most basic kit that the 4000 has to offer, it falls short in terms of the number of accessories.

Dremel 4000 Kit Options

Dremel 4000-2/30

  • 1x aluminum oxide grinding stone and 1x silicon carbide grinding stone
  • 1x aluminum oxide grinding wheel for sharpening and grinding
  • 6x sanding bands, 1x sanding drum, and 8x sanding discs
  • 2x felt polishing wheel and 1x polishing compound
  • 1x carbon steel brush for polishing and cleaning
  • 1x high-speed cutter for engraving and carving
  • 1x wrench and 2x miscellaneous mandrel accessories
  • 4x cut-off wheel for cutting and 1x multipurpose bit

The Dremel 4000-2/30 is one of the four kit options that you can pick from for the 4000. It offers 30 accessories and 2 attachments. This is a highly versatile tool that will allow you to pull off the majority of tasks.

However, it’s not the most efficient when it comes to engraving or carving. We would recommend this kit for people who are looking for great cutting and sanding.

Dremel 4000-3/34

  • 1x nylon bristle brush and 1x carbon steel brush
  • 5x felt polishing wheel and 4x cut-off wheel
  • 1x polishing compound and 1x multipurpose cutting bit
  • 5x sanding band, 4x sanding disc, and 1x sanding drum
  • 1x high-speed cutter and 1x engraving cutter
  • 2x aluminum oxide grinding stone and 2x silicon carbide grinding stone
  • 1x wrench, 3x miscellaneous mandrel, and 1x 3/32-inch collet

The Dremel 4000-3/34 offer 4 accessories and 1 attachment more than the previous kit. The kit also boasts a detailer’s guide for better ergonomics and control. By now, you know that every kit takes it a step further than the one before it in terms of versatility. This kit is a much better option than the 4000-2/30 in terms of cleaning and polishing.

Dremel 4000-4/34

  • 2x silicon carbide grinding stone and 2x aluminum oxide grinding stone
  • 4x sanding disc, 7x sanding band, and 1x sanding drum
  • 1x wrench and 3x miscellaneous mandrel accessories
  • 4x cut-off wheel and 5x felt polishing wheel
  • 1x nylon bristle brush and 1x carbon steel brush
  • 1x polishing compound and 1x multipurpose cutting bit

Similar to the previous kit, the Dremel 4000-4/34 offers 34 accessories but it features one more attachment. The attachments are a multipurpose cutting guide, straight edge guide/circle cutter, grinding/sanding guide, and a detailer’s grip. The kit is equally efficient in cutting, sanding, and polishing applications.

Dremel 4000-6/50

  • 1x silicon carbide grinding stone and 2x aluminum oxide grinding stone
  • 2x aluminum oxide grinding wheel and 11x cut-off wheel
  • 1x cloth polishing wheel and 4x felt polishing wheel
  • 2x carbon steel brush and 1x nylon bristle brush
  • 1x polishing compound and 1x multipurpose cutting bit
  • 2x high-speed cutter and 1x engraving cutter
  • 1x drill bit, 1x wrench, 3 miscellaneous mandrels, and 1x 3/32-inch collet
  • 6x sanding discs, 6x sanding bands, 1x sanding drum, and 3x finishing abrasive buffs

The Dremel 4000-6/50 is the largest kit of the four. It features 50 accessories and 6 attachments that will allow you to accomplish any task. It’s one of the most popular kits due to its versatility.

It features a flex shaft attachment, multipurpose cutting guide, garden tool sharpening attachment, sanding/grinding guide, circle cutter/straight edge guide, and shield attachment. The kit is by far the best option for sanding, cutting, cleaning, polishing, and sharpening.


It seems like our opinion and that of many users align, and the clear winner of this competition is the Dremel 4000. But this doesn’t mean that the Dremel 3000 isn’t a competent machine, not at all.

The Dremel 3000 performs very well and it can help you save a lot of money, it’s just lacking a few features. It all boils down to personal preference and whether or not you’re constricted by a tight.

Hopefully, the information we provided today has helped you make a sound decision. Please let us know which one of those two remarkable rotary tools from Dremel you think is the best.

An expert at home repair, remodel, and DIY projects for nearly 40 years. His first experience came in completely restoring an antique home. Completely redone from the inside out, and restored to its original form, the home is a featured design by renowned Southern California Architect Cliff May, considered to be the father of the California Ranch Home. Now Dennis spends his time on fine woodworking projects and tool comparisons.