A rotary saw, also known as a scroll saw or RotoZip®, is a power tool used for cutting through drywall, wood, plastic, and more. It works like a drill, cutting lines and patterns without the need for a pilot hole. The tool was invented in 1970 by Bob Kopras and is designed for one-handed use with removable bits and cutting wheels for different materials. Specialized guides and attachments are also available. Safety gear is recommended due to the dust and mess created during use.
A rotary saw, which may also be called a scroll saw and is often sold as a RotoZip®, is a power-operated mechanical saw designed primarily for cutting
right through drywall and other similar materials, such as wood, soft tile, aluminum siding, plastic, and more. The tool works similar to a drill,
except instead of drilling straight holes into a surface, the drill bit is used to cut out lines and patterns like a saw. The rotary saw was originally
invented in 1970 by Bob Kopras, who called it RotoZip®, promoted the tool and founded RotoZip® Tool Corporation, which was eventually purchased
by Bosch Tool Corporation in 2003.
If you were using a traditional saw to cut a shape out of a wall you would need to create a pilot hole first as a saw can’t just cut straight into it.
a flat surface. A rotary saw eliminates the need for a pilot hole because it uses a rotary bit to make the cut, which can be drilled directly into
first point where the desired cut should start. Once cut, the drill can be moved in any direction, so if the pattern is drawn it is being sawn
on the surface being worked on, the operator only needs to cut along the pre-established path.
Rotary saws are designed for one-handed use, with a single handle to hold the tool. Rotary saw bits are removable and there are many different styles
which may be attached depending on the type of work it is being used for. Some twist towards the saw to cut, while others twist away from the saw and
many types of bits are designed specifically for a certain type of material. They also vary in diameter, so the width of the line being cut can also vary.
In addition to rotary saw bits, several cutting wheels can be attached to a rotary saw, which can be used to cut denser materials such as
metal, brick, stone and more, and can also be designed for sanding.
There is a guide at the drill end of the press that flattens against the surface being sawn. This can also be swapped with
specialized guides; for example, a straight edge guide can be applied when it is critical that the saw cut a perfectly straight line. Other attachments are
made for RotoZip®, such as some that keep the surface free of dust, others that are designed for grout removal, and more. Using a rotary saw can
be especially dusty and messy when cutting drywall and other materials. This also makes for safety glasses, a dust mask, and other protection
essential when using this handy tool.
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