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Sometimes you need a rotary cutter, but using these bits in the dremel you already own works great. Get the advantages of rotary cutting with equipment you already own.
For Canadians who cant shop Amazon (I can and do frequently)(love Amazon for the great deals).these are available at Home Depot for the same price.with currency conversion of course and PST GST
In other words, when you cut a thin material at the edge of the bit, with the guide set low, cut SLOW as the force is on the end of the bit and it can snap easy. The trick to using these bitsand keeping them from snapping is setting the depth guide to just below the outside surface that you are cutting, but slowing down your cutting rate the futher down the bit you go. Go slow and keep your cost low.
The down cutting spiral is nice since the dust is blown away from you instead of back at your face. It's pretty simple , if you have a spiral saw , you need these bits. They are kind of hard to control if you want a nice cut. The bits do better if you just let the tool do the work. They do well in a variety of non-abrasive materials. For general purpose cutting these are the choice. Just don't push them hard or you will need another 5 pack right away. But that's the nature of spiral saws.
However, if you are cutting tiles or ceramic, get the ceramic tool. Just take your time when you are cutting something for the first time. If you are like me, get a five pack, you will need them.They work real well and cut through most anything. Don't try and muscle your way through. If you have a Rotozip, you need bits. I'm still learning how to use mine and I have broken a few bits. Let the bit do the cutting.
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