What is a flush trim router bit used for?

🔍 A flush trim bit is used to **trim one material flush with another** using a pilot bearing. For example, if you have a cabinet or tabletop with excess laminate or a veneer sticking out, a flush trim bit will cut it off exactly flush to the substrate. Another common use is pattern routing: you attach a template to a workpiece and use a flush trim bit to copy the template’s shape onto the workpiece. The bearing on the bit rides along the template (or along a finished edge) while the cutters trim the protruding material to match. Essentially, flush trim bits are all about making two surfaces or shapes perfectly even. They’re indispensable for tasks like trimming edge banding, duplicating curved parts, or cleaning up joinery where pieces are a little proud.

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