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Rockwell RK5139K Sonicrafter Hyperlock with Universal Fit Oscillating Tool Kit

5.0 out of 5 stars 1 customer review

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6 new from CDN$ 326.57
  • Powerful 2.5-Amp motor with variable speed control
  • Hyperlock tool-free blade changes with up to 1-ton of clamping force to prevent blade slippage
  • Universal fit system adapts to fit most other brands accessories
  • Use to cut, saw, scrape, sand, shape, polish, and remove grout
  • Tool weight is 3.6-Pound
Ships in Original Packaging:
This ships separately from other items in your order. The item ships in its original manufacturer's packaging and therefore the contents cannot be concealed.

There is a newer model of this item:

CDN$ 161.51
Usually ships within 4 to 5 days.

Bosch Power Tools

Product Information

Technical Details
Part NumberRK5139K
Item Weight4.2 Kg
Product Dimensions40.9 x 14 x 16.3 cm
Item model numberRK5139K
Voltage120 volts
Item Package Quantity1
Batteries Required?No
Weight4.2 kilograms
Length40.9 centimeter
Width14 centimeter
Height16.3 centimeter
Additional Information
Customer Reviews 5.0 out of 5 stars 1 customer review
Best Sellers Rank #66,740 in Tools & Home Improvement (See top 100)
Shipping Weight3.3 Kg
Date First AvailableNov. 6 2012
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Product Description

The rockwell rk5139k sonicrafter with hyperlock is three systems in one. Hyperlock makes tool-less blade changes simple and easy with less confusion. The hyperlock universal fit system allows for (1) quick and easy tool-less blade changes, (2) securely tightens blades with up to one ton of clamping force, (3) and accepts other brand blades with its universal fit system. No more searching around or shopping for the proper brand blade. The rk5139k 2.5-amp sonicrafter also has variable speed control which allows for precision cuts when tackling detailed jobs or even heavy duty tasks. Its effortless hyperlock design, and flexibility as a multi-tool, will make it your go-to-tool on the jobsite or around the house. Whether you're a professional or an avid do-it-yourselfer, the all-in-one and versatile rockwell rk5139k sonicrafter with hyperlock gives you the ability to sand, polish, scrape, and cut a wide variety of materials with easy blade changes. It is an effective tool to help streamline any job tasks. The variable-speed operates with microsonic high-frequency oscillation to produce smooth, safe movements without kickback. Ideal on the job site or around the house, this efficient tool boasts a slim body that makes it ideal for working in confined spaces. It will be your go-to-tool for all your projects like scraping to remove paint, old caulking, rust, stain, polish, or grout. Use it to score ceramic tile, remove and cut carpeting, or sand and polish those hard-to-reach spaces. Easily switch blades with the tool-less hyperlock to cut wood, thin metals, fiberglass, masonry, plastic, flooring, cement board, and even vinyl siding. It would take various other tools to do what the all-in-one rockwell sonicrafter can do in less time, less effort, and less hassle.

Customer Questions & Answers

Customer Reviews

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Top Customer Reviews

By mike on May 30 2015
Absolutely tough and efficient tool. as a carpenter, I use it daily. it has been dropped from 6 and 8 ft ladders more times than I can count and no damage except an occasional bent or broken blade. I have had ZERO problems except occasional loose blade which was my fault, not the tool like others claim on other posts. I use IMPERIAL BRAND BLADES or BOSCH (best prices and quality over others i have used). whish it had a belt clip of some sort for ladder work.
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Most Helpful Customer Reviews on Amazon.com (beta)

Amazon.com: HASH(0x9ffdcc9c) out of 5 stars 63 reviews
23 of 25 people found the following review helpful
HASH(0x9ffed6fc) out of 5 stars Great product Dec 21 2012
By Morgan G Migita - Published on Amazon.com
Verified Purchase
I have a Fein tool and needed to get another because I have a large crew. I do remodels of kitchen and bathrooms and use the Fein tool on every job but needed another and did not want to pay the price for my crew to abuse so I bought the Rockwell and I hate to say it but I really like the Rockwell better. It accepts all blades and is super easy to change out and cost savings is huge as you know the prime cost of these tools are the various blades etc. Get it.. you won't regret it!
13 of 13 people found the following review helpful
HASH(0x9ffea5c4) out of 5 stars Great tool Nov. 14 2012
By vacation reader - Published on Amazon.com
Verified Purchase
I bought this to replace a Dremel multi-tool and I couldn't be more satisfied. This Sonicrafter puts the Dremel to shame. It is quieter, more powerful and cuts much quicker. I purchased the Hyperlock model to take advantage of generic cutter heads and it doesn't disappoint. For the price, I would rate it equal to the more expensive brands of this type of tool.
6 of 6 people found the following review helpful
HASH(0x9ffea420) out of 5 stars Great tool for the price March 8 2013
By Joseph - Published on Amazon.com
Please note that this is my FIRST oscillating tool, so I have nothing to compare it to.

I went to the local Lowe's with the intention of purchasing the Dremel Multi-Max tool, however because they were out of stock I was able to get the Rockwell version for a little bit lower price ($89 + tax, $99 - 10% military discount).

I'm not in a profession that uses this tool and not wealthy enough to hire one so most of the work is done by me. That said, my review would be for someone with beginner to intermediate experience with an oscillating tool.

Overall,I find it a good tool for the money and hope this review helps.

Plenty of power for cutting through 2x4's and drywall (which is all I have used it for so far), so i'm sure it won't have any problems with the remainder of my projects.
Good length power cord
It has a nice locking system, but me not reading the instructions first gave me some trouble. After you get it to the tightness you need, you actually have to flip the handle to be able to easily lock it in place.


It only comes with a few blades, and the tile grout tool isn't one of them.
I have not tested it, but researching found that other brand accessories won't lock into place (not truly universal). Not sure if it does matter, but I won't be the one who tests it out. ([...])

Other Thoughts
Rockwell blades are $10 for an individual (lowes.com), but you'll save money by buying in bulk.
8 of 9 people found the following review helpful
HASH(0x9ffea534) out of 5 stars Great Tool Sept. 29 2013
By John M. Messinger - Published on Amazon.com
Verified Purchase
What good is a really stupid mistake, UNLESS it allows you to buy a new tool like this one. I miss-measured the position for the placement of a bulkhead in a kayak I was constructing. I then used cab-o-sil thickened epoxy to glue the bulkhead into place with nice thick fillets. After I finished some other work on the boat, I climbed in and felt a sinking feeling as the bulkhead position made the cockpit too snug for me. I wanted to cry. I was able to use the boat, but it was not comfortable. I considered my options for removing the bulkhead. Cab-o-sil renders epoxy very tough, hard, and notoriously difficult to sand. Then I read up on oscillating tools and decided to get the Rockwell. It took me less than a half hour (28 minutes) to cut out the bulkhead. Even better: so little of the bulkhead was removed that now it slides into place at the proper position. I have some sanding to do, but I will use this tool to do that as well. The unit was only slightly warm after a half hour of use.
5 of 5 people found the following review helpful
HASH(0x9ffefe10) out of 5 stars Rockwell RK5139K Sonicrafter June 15 2013
By Norm Girmus - Published on Amazon.com
Verified Purchase
I love power tools and don't usually give my opinion until I have reached a conclusion. I thought I would have to use this one for a while until I made up my mind as to if it was good or bad. It only took me a few uses to know I had a winner! It is a well balanced tool. I thought it would vibrate alot but only minimal. Just the right size. Very comfortable fit in the hand. The blade changing was real easy and well made. Looks like it should last for a long time. I really like that I can vary the oscillations to what ever speed I want. Sometimes you just want to be careful at what you are doing and want to ease into your work and not go full bore like some tools you turn on and you don't have full control of their cutting abiliy. The usage of different blade manufacturers is a big plus as is the nice carrying case. You can't go wrong buying this tool even if you only use it every once in a while for those special projects that other tools won't do the job. It's a keeper!