The Design of Tools . Calculation and design of worm tooth-cutting mills" is a unique publication created by a team of authors, which will become an indispensable assistant for engineers, designers and students studying mechanical engineering and instrumental production. This work collects relevant knowledge and practical recommendations that will help readers to delve into the complex but fascinating world of tool design. From the first pages, the book immerses the reader in the basics of designing worm tooth-cutting mills - one of the key tools in mechanical processing. Worm cutters are used to create threaded connections and handle complex profiles, and their design requires in-depth knowledge of mechanics, materials science, and manufacturing technology. The authors, having rich experience in this field, share their experiences and techniques that will help not only to understand the theoretical aspects, but also to apply them in practice. The book will be of interest not only to professional engineers, but also to students of technical specialties, as well as to everyone who seeks to expand their knowledge in the field of instrumental production. If you are passionate about mechanical engineering, are interested in modern technologies of material processing or want to master the design of tools, this publication will be a real find for you. It will be useful for both novice specialists and experienced professionals who want to update their knowledge and master new approaches. The topics raised in the book cover a wide range of issues: from design theory to practical calculations and analysis of existing solutions. The authors consider in detail the methods for calculating the geometry of worm mills, their design features and manufacturing technologies. Particular attention is paid to modern materials and coatings, which significantly affect the durability and efficiency of the tool. Readers will be able to learn about new trends in the field of instrumental production and get an idea of how modern technologies are changing approaches to design. The style of the authors is distinguished by clarity and accessibility, which makes the material understandable even for those who are just starting their way in this area. The book is replete with illustrations, diagrams and examples that help to better assimilate the material and see the practical application of theoretical knowledge. This makes it not only a tutorial, but also a reference book for those who work in the design and production of tools. In addition, it is worth noting that the team of authors includes specialists with different experience and knowledge, which gives the book versatility and depth. Each of them brings its own unique view on the design of worm mills, which makes the publication especially valuable. This is not just a collection of theoretical knowledge, but a practical guide that will help the reader not only to master the basics, but also to develop their own design skills. If you are looking for literature that combines theory and practice, as well as current knowledge in tool design, “Designing Tools” Calculation and design of worm tooth-cutting mills” will become your reliable companion This edition will not only expand your horizons, but also inspire new achievements in the world of mechanical engineering. Do not miss the opportunity to immerse yourself in this fascinating and important aspect of engineering, which opens the door to new opportunities and professional growth.