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  • Milwaukee 2460-21 M12 12-Volt Rotary Tool Kit
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Milwaukee 2460-21 M12 12-Volt Rotary Tool Kit

42 customer reviews
| 8 answered questions

List Price: $182.00
Price: $120.97 + $6.49 shipping
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Only 16 left in stock.
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  • Powerful Motor - Unmatched performance under load
  • 1/8-inch Collet - Compatible with all current rotary tool accessories
  • Variable Speed (5,000-32,000) - Up to 10-percent faster than the competition
  • Compact and Lightweight - Only 9.5-inch long and 1.3-pounds
  • Milwaukee Durability - Grinder style exhaust ports and protected front bearing deliver up to 10X the tool life
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11 new from $120.97 1 used from $104.99

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$120.97 + $6.49 shipping Only 16 left in stock. Ships from and sold by TwinBargains.

Frequently Bought Together

Milwaukee 2460-21 M12 12-Volt Rotary Tool Kit + Dremel 4486 MultiPro Keyless Chuck + Dremel 710-08 All-Purpose Rotary Accessory Kit, 160-Piece
Price for all three: $154.98

These items are shipped from and sold by different sellers.

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Product Description

Product Description

Includes 12V Cordless M12 Lithium-Ion Rotary Tool - 2460-21, M12 RELITHIUM Battery, 30-Minute Charger, (5) Mandrel Cutting Wheels, Wrench

From the Manufacturer

Milwaukee Electric Tool has developed a new breed of rotary tool by leveraging its heritage in straight and die grinders. The M12 Cordless LITHIUM-ION Rotary Tool utilizes a powerful 12V motor and Milwaukee's REDLITHIUM Battery technology to produce unmatched performance and increased run-time. The size and versatility of the M12 Cordless LITHIUM-ION Rotary Tool make it an indispensable tool for Maintenance Contractors, Electricians, Plumbers, Remodelers and more. The tool runs from 5,000-32,000 RPM and is managed by a variable speed dial for fluid control. The collet is completely compatible with all 1/32-inch -1/8-inch shank accessories providing the user access to thousands of cutting, grinding, sanding and polishing solutions

Product Information

Technical Details
Part Number 2460-21
Product Dimensions13.4 x 9 x 4 inches
Item model number2460-21
Power Sourcebattery-powered
Voltage12 volts
Item Package Quantity1
Batteries Included?No
Batteries Required?No
Battery Cell TypeLithium Ion
Additional Information
Best Sellers Rank #41,882 in Home Improvement (See top 100)
Shipping Weight3.8 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First AvailableApril 13, 2011
Warranty & Support

Product Warranty: For warranty information about this product, please click here

Important Information

Bulb Voltage
12 Volts

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

58 of 63 people found the following review helpful By Allan on July 19, 2011
Pros: Solid heavy duty motor, goes with my other M12 tools/batteries. Compatible with my existing accessories for my corded Dremel tool - flex shaft, right-angle adapter, collets, bits, etc. The treaded end of the Milwaukee tool is identical to the Dremel.

Cons: Tool shaft bearing and motor are loose in the case; case too thin in motor area. I noted excessive shaft vibration at 2.5-3.0 speed settings. I checked the shaft and found it had excessive lateral play - shaft could be moved laterally in the tool housing. I returned the tool for a replacement and the new one is the same; apparently all tools are produced alike. Close inspection shows the the tool shaft bearing to be loose in the case. I disassembled the tool and shimmed the bearing mount area with shim stock and this significantly reduced the lateral shaft play and the vibration. Additionally I found the motor is also loose in the case and I shimmed the motor to further reduce excessive vibration. Overall the case to motor fit is poor and the case is too thin in the motor area resulting in excessive tool vibration. As shimmed and with firm pressure on the case in the motor area - the tool runs very smoothly with little vibration. With a more sturdy case and better fit this would be an excellent tool consistent with previous Milwaukee quality - as is, it is acceptable.

My final decsion to keep the tool was based on my existing investment in the M12 line; I like having a line of tools all using the same battery pack.
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55 of 61 people found the following review helpful By A. Lee on May 7, 2011
I recently had a need for a battery powered rotary tool to de-bur metal, and after looking at what was available off the shelf in the local stores and what Amazon offered, my choice came down to the Dremel 8200 or the Milwaukee M12. The Dremel's pros were the multitude of accessories available, and the Milwaukee's attraction were the other tools I could get that used the same battery. The only other consideration was that I needed the tool right away, and the Milwaukee was available off the shelf at Home Depot, but the Dremel 8200-2 (2 batteries and a right angle attachment) was only available on-line.

What made my choice easy was looking at a Dremel and the Milwaukee side-by-side at Home Depot. The Dremel flexible-arm attachment was the one attachment I knew I wanted, and I was able to see that the top of the Milwaukee and the top of the Dremel are almost identical, and anything that mounts to the top of the Dremel will also mount to the Milwaukee. I think price-wise the Dremel 8200-1 is cheaper than the Milwaukee (both off the shelf for $99 but the Dremel comes with more accessories) and the Dremel 8200-2 is an even better deal. But the other tools available in the M12 line were what put the Milwaukee on top for me.

The Milwaukee is about the same dimensions and heft as the Dremel 12v cordless. The battery was charged and ready to use out of the box, and took less than 10 minutes on the charger to bring it to 100%. I used it for approx 30 min without using up the battery, and the battery was fully charged in about 15 min. Speed is controlled by a thumb wheel, so it's easy to adjust while you're using it.
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29 of 31 people found the following review helpful By CopperNova on May 26, 2012
I love Milwaukee tools, but mine had vibration right out of the box. Without even a collet, it had vibration at 3-4 that smoothed out on full. It was moderately usable with a perfectly balanced bit, but if you were using a slightly unbalanced grinding wheel, or your cut-off blade got a nick, it would literally feel like it was going to self-destruct. Seriously Milwaukee? It's a motor in a plastic case, you're lucky to get 3 stars.

Taking Allan's post into consideration, I decided to see for myself... Warning: This is the basics of what I did, not advice. Copy at your own risk.

I ground the edges off a T10 bit so it wouldn't gouge the screw holes, then loosened the screws. I took a needle and pried up one end of the fuel gauge overlay, then a sharp blade and cut the label on the bottom down the middle so that it was undetectable when reassembled. Then took the guts out, careful not to bend any wires.

Instead of shimming, I took two size 120 buna-n (shouldn't melt) plumbing O-Rings and rolled them over the motor (tight!) so that one would fit in the motor mount groove, and one would fit a hair in front of it. I put a TINY amount of Blu-Tack (ask for it by name, they're not all the same) in the front bearing mount (NOT near the shaft), stuck the guts back in the side with Milwaukee embossed on the outside, and closed it up carefully, so as not to bend the fuel gauge overlay. I compressed it together with my hands to make sure it would fit (it was snug), as the screws are only strong enough to hold the case together, not draw it together. Still compressing the case, and careful not to cross-thread them, I snugged the screws just until they stopped naturally. Shoved in a battery and ahhh, silky smooth, 5-star perfection -- what it should have been all along.
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19 of 20 people found the following review helpful By Jake Smith on January 8, 2012
I am a Plumbing Contractor and have used my Fathers for cutting stainless steel and brass escutcheons from counter tops. The tool performs much better than I expected. It has much more torque and speed than Dremel's cordless model. The power and battery life is also far superior.

Got mine today and brought it back as soon as I noticed the excessive vibration many have encountered. I went back to Home Depo and exchanged it for another and found the replacement had the same vibration issue. It got even worse when the cut off wheel was attached. The vibration at full speed was almost uncomfortable and honestly, a bit scary. When the collet was added and the cut off wheel attached it felt as though it could blow apart from the vibration alone.
My father had gone through the same ordeal with his, but he had good luck on his first exchange, which seems to run smooth at all speeds.

Another reviewer here opened his up and found a loose motor and poorly seated front bearing which, once fixed, seemed to smooth out the tool.

I began to open mine up to make his recommended fix, but noticed the case screws were not tight.
I tightened the case screws a bit and replaced the horribly unbalanced stock collet with a Dremel "4486 Chuck" and it now spins smoother, quieter and faster than the Dremel!!!

*fwiw, it takes a T-10 star bit to tighten the case.
If yours has vibration issues this is a really easy mod that may alleviate most, if not all your vibration issues.

I would highly recommend the Milwaukee M18 rotary.
If you are in the trades, don't even bother with the Dremel.
It's great for small tasks but certainly not suited for commercial or heavy use.

This rotary is at home in my work van amongst the very best commercial grade tools money can buy and for the price, it's unmatched!
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