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Published on Dec 3, 2008
See how to cut vinyl siding with a Dremel rotary tool.
Cutting vinyl siding for PVC pipes or dryer hoses is easy with the Dremel rotary tool. For this demonstration we're using a Dremel 10.8 Volt Lithium Ion cordless tool, the circle cutting guide, and a multipurpose cutting bit #561 a Dremel400 series XPR, 300, 200, or 100 series tool can also be used for this project.
After the bit is inserted and the circle cutting guide is attached with the desired depth and width selected you're ready to begin. Start by making pilot hole in the siding to set the circle cutting guide center point. At a 45 degree angle plunge the center point and bit into the siding at the same time. Then bring the tool upright so it rests on the cutting guide for the remainder of the cuts. In a clockwise motion with light pressure work the tool around the pivot point until complete. It's important that the depth of the guide supports the cutting bit extending beyond the material by a quarter of an inch. When finished remove cut vinyl and cut another layer of backing material if necessary, then insert your vent.
Here's some additional thoughts on cutting vinyl siding. The multipurpose bit and the drywall bit look a lot alike. On the multipurpose bit the flutes run all the way to the end of the bit the drywall bit has a guard tip on the end.