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Rockwell RK5101K SoniCrafter 37-Piece Oscillating Tool Kit

4.4 out of 5 stars 191 customer reviews

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  • High-frequency osillation cuts only hard materials, keeping hands safer
  • Cuts wood, thin metals, fiberglass, masonry, plastic, flooring, and more
  • Variable speed for superior control
  • Slim tool body suited for work in confined spaces
  • Includes compact, lightweight carry bag
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Product Description

Giving you the ability to sand, polish, scrape, and cut a wide variety of materials, the Rockwell RK5101K Sonicrafter 37-Piece Kit is your all-in-one tool kit for carpentry work. Enhanced by 36 accessories, the variable-speed tool 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 perfectly suited for working in confined spaces.

The Rockwell RK5101K
Sonicrafter 37-Piece Kit includes:
  • Variable Speed Sonicrafter tool
  • 2 cutting blades
  • 1 carbide grit blade
  • 1 sanding pad
  • 1 broad spectrum scraper blade
  • 1 hex key
  • 30 sanding sheets
  • Carry bag

Microsonic™ high-frequency oscillation provides smooth, safe movement without kickback. View larger.
A Complete Workshop in One Versatile Tool
Whether you're a professional woodworker or an avid do-it-yourselfer, the RK5101K is an effective way to streamline your work. Easily carried in its compact, lightweight bag, the kit can be kept at your fingertips for all your remodeling, installation, and repair projects.

Starting with the basics, this 37-piece multipurpose kit comes with a variable speed tool and includes two cutting blades, a carbide grit blade, a sanding pad, and 30 sanding sheets that help you cut, remove grout, and sand, with professional-grade results. It also includes a tough, broad-spectrum scraper and a hex key.

Sprucing up the garage? Utilize the scraper attachment to remove paint, old caulking, and rust. Remodeling the bathroom? Remove grout with the kit's carbide grit blade and score ceramic tiling for shaping with the optional diamond grit blade. Exposing hardwood? Remove carpeting using the broad spectrum scraping blade then let the sanding system take over to polish those hard-to-reach spaces.

High-Frequency Oscillation for Smooth, Safe Precision
For the safest and most accurate work, the RK5101K features super high-frequency microsonic oscillation technology. This means that instead of rotating, it makes up to 20,000 back-and-forth oscillations per minute for ultra smooth, efficient results. Because there are no fast-spinning parts or alternating blades, there are no threats of kickback.

Thanks to its advanced design, the RK5101K cuts only hard materials when fitted with a blade attachment. This way, the tool easily cuts heavy-duty materials, while keeping the user's hands and fingers safe.

The RK5101K can cut wood, thin metals, fiberglass, masonry, plastic, carpet, flooring, cement board, and even vinyl siding.

High Sanding Capacity with Low Dust Levels
For sanding jobs, this tool requires very little downward pressure and delivers great accuracy. And its slim body enhances your sanding capabilities, allowing you to work on edging and corners that are often not possible to reach with other tools. Plus, it affords you quick and easy clean-up, throwing a very low level of dust whether you're sanding, cutting, or scraping.

Easy Handling with Lightweight Frame and Soft Grip
The RK5101K has magnesium alloy gear housing, making it lightweight enough for extended use and rugged enough for long-term durability. The soft, ergonomic grip offers you optimum comfort and control while you tackle the job at hand.

What's in the Box
Rockwell RK5101K Variable Speed Sonicrafter tool, 2 cutting blades, 1 carbide grit blade, 1 sanding pad, 1 broad spectrum scraper blade, 1 hex key, 30 sanding sheets and a convenient carry bag.

Ideal for use with a wide range of materials, this all-in-one tool makes sanding, cutting, and scraping simple tasks.

From the Manufacturer

The Rockwell Sonicrafter is a complete workshop in just one tool! The Sonicrafter from Rockwell can make precise plunge cuts, sand in tight spots, flush cut dowels and plugs, polish metals, strip paint and wallpaper, remove old window glazing and caulk, remove rust from tools and furniture, scrape dried adhesives, cut branches, even clean up graffiti. The Sonicrafter also easily cuts drywall, cement board, aluminum and plastic gutters and downspouts, conduit, copper pipe, even vinyl siding. The list is endless and the tool really is simple to use. You’ll wonder how you ever did without it. All this is achieved by the unique high frequency oscillation of the tool head. It doesn’t rotate or orbit, making it a very user-friendly tool. This Sonicrafter 37-piece kit has variable speed and comes with a hex key, circle cutter, straight cutter, scraper, sanding polishing pad, 30 sanding sheets and a carbide grit segment saw blade in a convenient carrying bag.

Product Information

Technical Details

Part Number RK5101K
Item Weight 6 pounds
Product Dimensions 15.2 x 7.5 x 4.8 inches
Item model number RK5101K
Power Source ac
Item Package Quantity 1
Included Components attachments
Batteries Included? No
Warranty Description 2 year- warranty

Additional Information

Customer Reviews
4.4 out of 5 stars 191 customer reviews

4.4 out of 5 stars
Best Sellers Rank #261,898 in Home Improvements (See top 100)
#195 in Home Improvement > Power & Hand Tools > Power Tools > Oscillating Tools
#13,231 in Home Improvement > Contractor Supply
Shipping Weight 6 pounds
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available September 14, 2004

Warranty & Support

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


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
OMG, the Rockewell SoniCrafter is great. I was looking for a corded oscillating tool and looked at the Fein Multitasker and blades, but it is just way too expensive to purchase for my needs. So I bought the Dremel and the Rockwell to compare side by side...

The $100 Dremel is lighter and a bit smaller but the buzz the motor makes compared to the Rockwell motor [a little bit heavier and slightly bigger] which humms smoothly is like comparing a Vespa scooter to a Victory street bike.

Since the basic Rockwell is only $20 more than the Dremel and the extra blades are about the same price, there was no question about going for the quality/durability of a Rockwell.

The only convenience problem that I can foresee is getting replacement blades:
Dremel is carried by big box hardware stores; hobbyists who do crafts on the spur of the moment and do not need to rip open walls, will appreciate the around-the-corner convenience.
Rockwell is carried by speciality woodworking stores or the internet; the Home Proj. kind of guys have to plan ahead before ripping into a wall for remodeling. So ordering parts in advance should be a no brainer.

I also really liked the Rockwell case, it is created with niches and screw-downs to hold lots of blades/attachments in place.

I looked at the Bosch 12v battery operated version, and that would have been a good choice but I do not want to have numerous 18v tool systems and chargers for the various power hand tools that I use. I read that the Bosch delivers 20 min of battery power and I might need more time than that between charges.

All four tools mentioned above have variable speeds pretty much the same: 10,000 - 21,000 opm.
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I debated a couple of years about purchasing a tool like this. At first, Fein was the only option and just for home use it was too much money for me to justify purchasing. Now that there are reasonably priced choices, I purchased this 37 piece Rockwell kit. Honestly, I felt like it was a gamble. Many reviews say the blades don't last and they come loose all the time. I rolled the dice. I WON!!!

This is a solid tool. I love working with tools and I own a lot of professional quality tools. I put this in the same class as my Bosch, Dewalt, Porter Cable, Rigid, and Makita tools.

For $208 I got this kit and a diamond segment saw, a carbide triangle saw, and a blade cleaner. The tool and add on accessories cost less than half as much as those from Fein.

I immediately went to work taking out thinset from an old tile job, probably 1/4 inch trowelled. I had tried hammer and chisel and hated that. I bought an angle grinder which worked but threw dust everywhere. That lasted about one minute before I had to quit because of the dust. Then I threw a rug over it. That was a couple of years ago.

This Sonicrafter with the diamond segment saw is the right tool for the job. It is powerful enough. I used it for an hour, it did not overheat or bog down. The blade shows no signs of wear. The blade never came loose. It did not throw dust everywhere. After an hour my hand was tired. Operating this tool feels very much like operating a random orbital sander. The gentle vibration over time is fatiguing.

Get a variable speed model; the least expensive kit is not variable speed. The harder the material you work on, the higher the speed needs to be set.
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I debated whether I should just splurge and by a multimaster or save some cash and go with the sonicrafter. After reading all the reviews for both products and watching demos on U tube I chose the sonicrafter. So far I have put it to work on some serious DIY projects and it has done the job. Its great for sheetrock cutting. It did a good job of cutting out the hole for a pocket door hardware in an solid alder door. It cuts sheet metal and slices through nails fine too.

I have not had a problem with blades loosening or the tool getting real hot like in other reviews. If you go slow and let the tool do the work it works fine. It's not a Sawsall, use it for the finer work. Its not real speedy at cutting harder woods and if your blade is dull it will burn in woods like oak and maple.

I suggest stocking up on blades because I have only found them online. Just like a sawsall blade, they dont last very long, save your dull blades for cutting sheet rock and keep your sharp blades for wood cutting.

As a serious DIY guy I am happy with the sonicrafter and glad I saved the money over buying the fein MM tool.
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Verified Purchase
Read about a number of new oscillating saw products entering the market and the one that appealed to me the most was the Rockwell sonicrafter. The big negative seemed to be that it was not yet handled by a large retailer so blades might be hard to get. They are, on the other hand, readily available online from a number of sources. I was putting down a wooden floor in a bathroom and wanted something to undercut the door jamb. Thought this tool sounded good enough to give it a chance. Arrived in a timely manner and I started working on the floor. I undercut the door, then had to change blades and do a plunge cut in a plank for the heater register, then to the scraper blade to remove some of the old tile mastic from the new floor area and finally to the end cutting blade to make a multi-sided cut in the end of the wood where it met the wall and door frame. Got far more use out of it than I had planned. It felt good in my hand with its rubber coating and the motor ran smoothly, not bogging down or laboring on any job. Blade change was easy and the blade did not come loose when running. The metal housing between the motor and blade got quite warm during use but cooled down quickly when the work stopped. Never had a time when it was too hot to handle. I have never been a fan of the jig saw and this has taken many of the uses away from it. I did not use the grout cutting blade or the sanding pad but I can see some future uses for them. I am very happy with my purchase.
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