With the proliferation of multi-tool models from the various manufacturers, several types of arbors have been deployed. Some manufacturers use their own, proprietary arbors and produce their own tooling while other brands prefer a more universal and sharing of tooling approach. In any case, it’s important to know what type of arbor you need for your particular tool.
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Multi-Tool Arbors
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Cutting
While there are many types of cutting blades for the multi-tool, actual cutting attachment blades are designed more for shearing and cutting softer material such as felt, leather, polystyrene, lino, rubber, cardboard, carpet, etc. Hooked cutting blades are ideal for cutting out deck caulk,cabin chinking rails, gunwales, cleats, etc.
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Scraping
Scraper blades are available in both rigid and flexible and are the choice to use when removing stubborn paint, silicone, carpet or tile adhesive, undercoating, etc. Scraper blades are available in a wide straight blade with flexible blades also available in a wider mushroom shape.
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Sawing
One of the premier applications for multi-tools, sawing blades are available in a number of formats.
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Rasping
Carbide rasps are great for coarse sanding of tile adhesive, fillers, concrete, stone and wood. They are available in triangular, round and finger shapes.
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Oscillating Tool Blade Types
Multi-Tool Blades come in a variety of size and types, depending on the application. Here’s a rundown of the various categories of blades. At the end of this article is a pictorial chart showing many of the different forms.
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Grout Removal
There are a few different configurations of round blade in both carbide and diamond edges. Carbide edged blades are used for the softer, more porous materials such as tile joints and grout, plaster, porous concrete and deck plank sealant. The diamond edge blades can be used for the same with the added ability to work in harder materials and increase tool life.
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Sanding
With the use of one of the various sanding pads or sanding finger attachment, the multi-tool can be used as a sander. Sanding pads are available in both 4 1/2″ round and a triangular version, both plain or perforated. Abrasives are held with hook and look and are available in a variety of materials including aluminum oxide, for universal use on most surfaces, zirconium, for unequaled removal rates on extremely hard surfaces.
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Polishing
Following up after the grinding and preliminary surface prep is a medium density felt polishing pad, Bristle fleece and/or felt and fleece polishing pads that attach to the standard backing pad by hook and look are useful in creating a high quality final finish polishing chrome, stainless, aluminum, non-ferrous, polycarbonate and natural stone materials, gel coat, removing discolouration caused by heat and more.