For gluing solid panels to large panels, butt joints and modern adhesives ensure a strong connection. When joining art materials - plywood, MDF, chipboard, etc. - or when joining art materials to solid wood, a "fancy" edge as achieved with this router provides a much larger bonding surface and results in a more reliable joint. Of course you can also glue solid wood panels with it, but that seems excessive to me. This particular cutter is a large piece of metal with carbide inserts. Inserts are 5/64" thick. It's slightly thicker than the 1/16" inserts I see on many bits. I noticed blistering in the paint and flaking material on one of the carbide inserts. It was easy to remove, but the fit and finish is so-so. In operation, the chisel is well balanced and cuts cleanly. In principle, usage is quite simple. Install the bit in the router table; Align the center of the router bit with the center of the wood to be joined; set the fence level with the "deep" part of the knife; lay out one board with the "good" side up; lay out the second board with the "good" side down. Rotate flip the second board over again and the boards fit together perfectly The "Basic" phase could have alerted you to complications Adjusting the router bit height so the joint results in a flat board that doesn't need to be sanded or planed requires fine adjustment of cutter height. Make a few test cuts, see how they fit, set the drill bit height. Lather, rinse, repeat. It usually takes me 2-4 cycles to get to the right height. The good news is that once dialed in, you can keep cutting even, tight joints. If you frequently splice a workpiece of a certain thickness, you may want to save the section to help level next time.
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