Not all routers, or bushing sets, are created equal. Steel bushings may need a little "help" to stay tight. Using the wrong bushing, even if the size is very close, will produce dovetails that do not fit. Often these diameters are not included in bushing sets and are usually obtained from the jigs manufacturer. Most dovetail jigs require a specific bushing diameter to interact properly with their template. Woodworkers are constantly coming up with creative ways of using guide bushings, making them even more valuable in the shop.Ī word of caution about guide bushings and dovetail jigs. Guide bushings are seldom found in a router table, mainly because the template is smaller than the workpiece, meaning you would usually be working blind, which is not the safest way of doing things.Īnother benefit of guide bushings is the ability to use nearly any bit that fits through the collar. Cutting a decorative edge, rabbeting and some other operations are more easily done with bearing-equipped bits. While guide bushings can be used for many tasks, they may not be the best choice for everything.
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The bushing fits into the hole in the routers baseplate and is designed to follow a template, which guides the router bit, transferring the templates shape to another piece of wood. Guide bushings are simple devices that when used properly, extend the capabilities of your router. This low-buck accessory can make many router operations easy, and accurate.