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Dremel 4000-2/30 120-Volt Variable Speed Rotary Tool Kit - Corded

4.6 out of 5 stars 1,095 customer reviews
| 124 answered questions

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  • Variable speed from 5,000 to 35,000 RPM; easy-to-understand speed dial features
  • Compatible with all Dremel accessories and attachments
  • Includes 30 Dremel accessories and 2 Dremel attachments
  • 360-degree grip zone for control in any position
  • Carrying case included
59 new from $89.99

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Product Description

The Dremel 4000 variable-speed rotary tool kit offers the highest performance and most versatility of all Dremel rotary tools. The increased strength of its motor and electronic feedback circuitry enables consistent performance at all speed levels. Ergonomics include a slim design that provides a 360-degree grip zone for added comfort and control. The Dremel 4000 can use all existing Dremel rotary tool accessories and attachments, as well as high-performance attachments, so you can do more with just one tool. Two year warranty.

Product Information

Technical Details

Part Number 4000230
Item Weight 4.4 pounds
Product Dimensions 13.9 x 9.4 x 3.9 inches
Item model number 4000-2/30
Size full size
Color black
Power Source electric
Voltage 120 volts
Item Package Quantity 1
Included Components case
Batteries Included? No
Batteries Required? No
Warranty Description 2 year warranty

Technical Specification

Additional Information

Customer Reviews
4.6 out of 5 stars 1,095 customer reviews

4.6 out of 5 stars
Best Sellers Rank #2,799 in Home Improvements (See top 100)
#7 in Home Improvement > Power & Hand Tools > Power Tool Parts & Accessories > Power Rotary Tool Parts & Accessories > Attachments
Shipping Weight 4.4 pounds
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available November 19, 2003

Warranty & Support

Warranty, Parts:Parts
Product Warranty: For warranty information about this product, please click here [PDF ]


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From the Manufacturer


Whether for carving or engraving soft or hard materials, Dremel offers the right accessory for every application. Use high speed cutters for shaping, hollowing, grooving, slotting and making tapered holes in soft metals, plastics and woods. Tungsten carbide cutters are recommended for shaping, smoothing and material removal on hard materials such as stainless steel and cast iron. A variety of engraving cutters suitable for both soft and hard materials are also available to tackle every project.

Carving/ Engraving


Cleaning/ Polishing

Grinding/ Sharpening/ Sanding

4200 Series 4000 Series 3000 Series 9100-21
Amps 1.6 1.6 1.2 2.5
Speed Range (RPM) 5,000 - 35,000 5,000 - 35,000 5,000 - 32,000 0 - 23,000
Electronic Feedback Control
Number of Speeds Variable Variable Variable Variable - Foot-operated speed control
Separate On/Off Speed Control
Accessory Change System EZ Change EZ Twist Nose Cap EZ Twist Nose Cap Wrench
Kit Options 4200-4/36, 4200-6/40, 4200-8/64 4000-2/30, 4000-3/34, 4000-4/34, 4000-6/50 3000-1/24, 3000-1/25, 3000-2/28 9100-21

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Forgive me if I seem a little preachy, but quite a bit of people misunderstand what this tool is for: this is a high speed, LOW torque (in other words, do NOT apply excessive pressure), LOW amp (not much mechanical power), multi functioning rotary tool. Dremel will most likely NEVER make a rotary tool that is high speed high torque, high amp, because that's not their niche. This is for weekend warriors, do it yourself-er types, this for crafts and hobbies, this is NOT an industrial grade spinning tool, if that is what you are looking for, get a die grinder, angle grinder, flexible shaft motor tool, get high powered electric or pneumatic, Milwaukee, Foredom, Ingersoll Rand, something else, not Dremel. You'll only be disappointed if you go the Dremel route with that expectation.
For Dremel's, you let speed do the work. Unless you are dealing with plastic or wood, something that melts or catches aflame, then go for high speed. Slow down on metal, speed up in ceramic (don't quote me on the ceramics, that's just my experience), go middle ground for wood, slow for plastics, and so on. I suggest ramping up the speed on a practice piece of the material you intend to remove stock from, until you reach the maximum speed you can achieve with ruining the substance in question, and then, go work on the actual piece.
Here, let's cut to the chase: Positives of Dremel 4000
+It is low powered, ergo, gentler on your work, more forgiving when you make a mistake
+It is very speedy, but not TOO speedy, as in, not a pnuematic die grinder spinning at speeds that would make a bullet cringe.
Read more ›
18 Comments 805 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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The product description lists the accessory numbers, but not what they are.

191 - High Speed Cutter
420 - 15/16" Cut-off Wheels
426 - 1-1/4" Fiberglass Reinforced Cut-off Wheels
542 - Carbide Cutting/Shaping Wheel
84922 - Silicon Carbide Grinding Stone
932 - Aluminum Oxide Grinding Stone
952 - Aluminum Oxide Grinding Stone
428 - Carbon Steel Brush
442 - Carbon Steel Brushes
414 - Felt Polishing 1/2" Wheels
421 - Polishing Compound
429 - Felt Polishing 1" Wheel
407 - 1/2" Sanding Drum
432 - 1/2" 120-grit Sanding Bands
411 - Sandings Discs, 180 grit
412 - Sanding Discs, 220 grit
413 - Sanding Discs, 240 grit
445 - 1/2" 240-grit Sanding Bands, 6 Pack
401 - Mandrel
402 - Rotary Tool Mandrel
3 Comments 381 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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There are few things that enrage me more than companies that ride on a once well-deserved reputation for quality in order to sell utter garbage to unsuspecting consumers, and Dremel fits this description perfectly. I still have my previous two Dremel tools -- purchased in 1993 and 1995. Both still work, but are showing their age, so I bought a new one. It lasted less than six months before seizing up. I opened it up to see if I could repair the problem, and found that what was apparently a plastic bearing surface had melted. I use the tool for light-duty work in my electronic fabrication hobby, so it's not as if I were abusing it. This item is trash, pure and simple, and it's emblematic of the reason that "Made in America" has been reduced to a meaningless marketing ploy by dishonest bean-counters.
7 Comments 96 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
I upgraded from a dremel 200 to this, after I burnt out the 200 trying to cut a hex bolt with the cut off wheel. This was painful exercise with the 200, which would slow down while cutting and speed up when it got hot. The 4000 however, doesn't slow down (or get hot for that matter). After a short time and lots of sparks (lovely metal sparks) the bolt was cut. The 4000 turned a tedious job into a fun one, so much so that I started cutting other stuff just for kicks.
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Verified Purchase
A fair number of reviews here discuss issues that buyers had with the collet on this Dremel. I just bought this model, and think I may understand the problem that at least some users ran into.

First, a word about terms. The solid shaft that the cutting or grinding tool is mounted on is the mandrel (or Dremel also calls it an accessory shank). When you install the cutter on the Dremel, this mandrel slides into a silver-colored hollow tube called the collet. The dark-metal nut that encases the collet and screws onto the unit is the collet nut.

All of the accessories that come with this Dremel model use 1/8"-diameter mandrels/shanks. Most other accessories that Dremel sells also use this size, although some use 3/32", 1/16" or 1/32" shanks.

When my Dremel 4000 arrived, I noticed that none of the included 1/8" shanks fit into the collet. I think some of the other buyers who ran into this problem concluded at this point that their Dremels came with the wrong-sized collet.

However, when I took it apart a little I found that the collet had just been jammed tightly into the collet nut, closing down its diameter so that the shanks wouldn't fit. I unscrewed the collet nut from the Dremel and used a small screwdriver to push the collet out of the back end of the collet nut. This allowed the collet to open up to its full diameter; all of the included shanks now fit.

So, if you buy one of these and it seems as though the shanks don't fit into the collet, give this a try before you conclude it's the wrong size. Dremel could probably stand to do a little quality control on this to make sure everything works smoothly. If you do actually need a different collet size for other mandrels/shanks not sold with this kit, Dremel sells a 4485 Collet Nut Kit (about $6-$7 in 2015 at hardware stores) that has the four collet sizes listed above.
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