With the material on its edge, the bit forms a new, decorative profile. Vertical-use raised panel bits are considered safer because they have a smaller diameter and are easier to use. These bits come in either vertical-use or horizontal-use. Raised panel bits are frequently used with stile and rail bits to create a profiled edge on a door panel. These bits are sold as a pair to complete both cuts or as a single bit that can be used for both cuts. They also make a corresponding cut at the end of the rail or horizontal piece of the frame so that the rail can slot into the stile. The bits feature a decorative edge profile and a straight profile for cutting a slot in the stile (or vertical piece of the frame). Stile and rail router bits are primarily used for frame and panel construction. Due to their size, they are best used with a table router. They are used to create architectural molding profiles and may incorporate multiple edge-forming profiles into a single bit. Molding router bits are a larger version of the edge-forming router bits. Cove router bits cut a concave quarter-circle profile into the side of a material.The bead resembles a half-circle profile once it has been cut into the material. Edge beading bits cut a ¼-inch or ½-inch bead into an edge or corner.Ogee bits cut an ‘S’-shaped profile and are most commonly seen in the Roman Ogee style.Round over bits have a specific radius that is used to cut a rounded form into the surface.Edge-Forming Router BitsĮdge-forming router bits come in a variety of profiles, each designed to cut a decorative edge into a material. Chamfer router bits can also form a beveled edge for use in joinery. Chamfer Router BitsĬhamfer router bits make angled cuts across a corner to remove a 90-degree edge and create an attractive design or to remove a banged up edge and return the material to a straight edge cut. Most router bit sets will have a range of pilot bearings so that one rabbet bit can cut a variety of rabbet sizes. These bits use a pilot bearing to guide them along the material’s side so that the rabbets produced are accurately and equally cut. Rabbeting router bits are used specifically to cut a rabbet (notch or shoulder) into the edge of a material. Examples of this bit in use include trimming a veneered surface to sit flush with an underlying layer or to trim shelf edging. The pilot bearing is the same size as the bit’s cutting radius so that flush-trim bits can be used to trim the edge of one material so that it is flush with that of another. Flush-Trim Router Bitsįlush-trim router bits have a pilot bearing that guides the bit during cutting. It can also be used to hollow out an area of the material for a mortise or inlay. A straight bit is primarily used to make a groove or dado straight down into the material. The straight router bit is one of the most frequently used of all bits, and it’s available in a variety of diameters from 3/16-inch to 1 ½-inch. The best choice for you will depend on how you plan to use the router and the material you need to drill through. The most common types of router bits include straight, flush-trim, rabbeting, chamfer, edge-forming, molding, stile and rail, raised panel, and joinery bits. Routers use a large number of different bits that are each intended for a specific purpose.
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