Used for .020" thick aluminum laminate, with no backing. Here's what has worked for me when cutting edges where the bearing surface will slide over the already installed laminate: FIRST: try to fit with a minimal overhang, like a maximum of 1/4". Uses a 3-blade porter cable chisel for the first cut, leaving the protective sheet on the face to allow the bearing to move over it expect hot chips to fly forward, stick to the protective sheet and make the router shake.cut first and make the mistake of one to leave a small overhang - maybe 0.016". light edge glued to a block of wood with 150-180 grit sandpaper. Yes, metal laminate is the worst option, but reserving that bit for the final cut and lubricating it with silicone will keep it clean and work well, which will help reduce problems. Takes on aluminum laminate for a clean professional edge. Based on all of the above I have complete confidence in this nozzle for regular P-Lam and give it top marks for finish fit and performance. The square bearing is a little odd but gets the job done. well, leaves no traces. As for edge wear, you can reduce this effect by not lingering on the registration surface for too long. Cut quickly and avoid the noise of the circular saw from fraying the square edges. I would buy this blow again.
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