This document is a user guide that provides a comprehensive reference on cutting tools. It outlines various types of cutting tools, including turning, milling, and drilling tools, and explains their classification based on machining processes, primary motion, number of cutting edges, design concepts, mounting methods, and adjustment capabilities. The guide also details ISCAR's cutting tool range, which includes both assembled and solid tools. Additionally, it presents information on cutting tool elements, cutting geometry, and materials used in manufacturing cutting tools, such as high-speed tool steel and cemented carbides. The document includes sections on tool wear, estimating tool life, and machining calculations, which are essential for understanding the performance and application of cutting tools in machining processes. Overall, the guide serves as a valuable resource for individuals seeking to understand the intricacies of cutting tools and their applications in various machining contexts.