I used these for the large format porcelain slabs on my shower. 1/4" thick, cut using a Makita wet circular saw for tile. They cut and notched perfectly in one pass (no need to score or do half-deep runs). Out of about 50 cuts I only had one chip-out and it was at the end of a piece and probably my fault, not the blade. First blade still has a lot of mileage on it. Very clean edges like factory cuts. HIGHLY recommended.