RotoZip CRCT2 Circle Cutter Attachment

List Price: $30.72 Discount Price: $18.76

Features:

• Circle cutter attachments cuts perfect circles 1- to 2-inches in diameter
• Works on most building materials, including wall tile, wood, acrylic, and drywall
• Ideal for installing recessed lighting in ceiling tile
• Works with all Roto Tip and Solaris Spiral saws

Accessories:
This Old House (1-year)	Building Construction Illustrated

Customer Reviews:

Won't hold a setting and cut a clean circle [Posted on 2007-06-22]
I used the circle cutter to cut a few ragged 10 1/2 inch holes in 1/4 inch plywood. Despite tightening the bolt to the point I was afraid it would break, the guide still slipped a little and made ragged holes. I'm pretty skilled with power tools / guides etc. but couldn't get this one to work well. Feed rate was critical for a clean consistent cut. Too much pressure and the plastic arms flex which makes for a crooked cut. Cord was constantly tangling with guide. When bits ran slightly crooked they bound up and broke. Pivot point kept trying to rise up out of the guide hole. Too many things to watch and hold onto to make the thing work. I'm returning this one and looking for a simpler solution.

Great Spiral Cutter [Posted on 2007-09-30]
Due to the slippage I was left with a spiral cut for an overhead can light. I had to use other methods to create a trim ring to cover up the cut made from this useless attachment. I would try the sandpaper friction ring theory but I already threw this thing in the trash. I don't need anymore screwed up circle cuts.

Save your money!! [Posted on 2008-01-10]
I purchased item at my local Lowe's. Needed to cut a couple of holes in drywall. After two unsuccessful tries I had two spiral cuts in my drywall (the circle tool slips as you work around the circle - giving you a nice spiral)!

This thing is awful. Especially considering the price. I returned it and got my money back.

I could have done a better job with a pencil and keyhole saw.

Not for Wood [Posted on 2008-04-07]
I hoped to use this circle cutter to cut some 8 inch circles in hardboard. I found that the tension screw would not hold the angle securely and the device would open or close while making the cut. It may work well on drywall, but on harder materials, this thing is useless.

RotoZip circle cutter slips -- but it can be fixed [Posted on 2008-06-10]
As noted by others, the Bosch RotoZip circle cutter has a major flaw -- it tends to change the diameter setting as you cut - no matter how tight we twist the knob. This will definitely ruin your plan for making a perfect hole. I tried putting a round piece of self-adhesive sandpaper (cut to fit) between the two parts of the unit, but it didn't work. The 'sand' side held but the adhesive side still allowed the setting to slip (oh, so slowly but steadily). Next I'm going to try sticking two pieces of this sandpaper to each other (adhesive side to adhesive side) leaving two 'sand' sides out. Hopefully the adhesive won't slip. If it does I'm going to try to glue two non-adhesive pieces of sandpaper (cut to fit) together -- with glue that won't slip.
It's a shame that Bosch didn't do 'real world' testing before they released this unit. If they had, they'd have discovered the problem quickly. Some complain about it's plastic makeup but I didn't find that any problem.

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