The CS 860 and CSF 860 have only one goal: To make sharpening your carbide-tipped circular saw blades as easy as possible, offering you maximum flexibility for optimised processes so that you achieve outstanding grinding results. Fully automated. Powerful. Outstanding quality. In an incomparably wide range of applications. The CS 860 and CSF 860 are pretty much the best at sharpening carbide-tipped circular saw blades.productivity.