Abstract: There is provided a rotatable cutting tool for supporting at least one knife in at least two alternate angular cutting configurations. The cutting tool includes a body that defines at least one cavity extending generally in a longitudinal direction of the body. Each cavity is defined by first and second knife support surfaces, which are provided in an opposing, non-parallel configuration. The first knife support surface is configured to support one of the knives that is urged against the first surface at a first hook angle, and the second knife support surface is configured to support one of the knives that is urged against the second surface at a second hook angle, which is different from the first hook angle.

Abstract: A conventional cutting tool is provided and a cutting edge of that tool is formed and/or sharpened. A relatively hard layer is applied over at least a portion of the cutting tool that includes the cutting edge and then a friction-reducing layer is applied over the hard layer. The entire coated cutting tool, or at least a portion of the coated cutting tool that includes the cutting edge, is cryogenically treated. The coated and cryogenically treated cutting tool is mounted in a conventional manner to a conventional cutting machine, and then used cut articles containing at least a substantial amount of wood.

Abstract: A rotatable cutting tool with colored visual warning is provided. The cutting tool includes colored portions of at least two different colors. When the cutting tool is rotated above a predetermined speed, the individual colors are not separately discernable but instead appear as an apparent or blended color which serves as a visual warning.