YAMAWA GROUP Information On the occasion of publishing new Yamawa Products Catalog Yamawa categorizes our innovation history into 3 stages, namely original foundation of 1923, second being after-the-war (1945) period and now, third one. On the occasion of each foundation & reflecting the original foundation spirit, we renewed our innovation mind and have been answering the market needs which are developing day by day. We aim to contribute to the technology of globally developing industries, from JAPAN with the most modern supplier country of industrial goods in the world. As a specialist & by using the newest manufacturing technology, Yamawa has been manufacturing high quality and high performance TAPs, DIEs and CENTER DRILLs, and wants be a reliable supplier. Yamawa is also paying special attention to our environment while efficiently using the limited natural resources. Based on our company philosophy "Reliable Screw Threads", we keep on making our PROPOSALs related to TAPPING to the market. Yamawa has just built up new product system to meet with flexibility of the market demand and is going to more fulfill our support system in the market. Any of your contact, that is, questions, requests and others, is always welcome. YAMAWA Manufacturing Co., Ltd. President Yoshio Watanabe CONTENTS Product System P2 Selection Chart of Taps P34 Line-ups arranged on products P37 Line-ups arranged on sizes P697 Product Reborn According to Demand P757 Technical information P771 Searching table by product name P864 Searching table by alphabet of product name P866 Introduction of Yamawa Group P872 Origin of corporate name, "YA" "MA" "WA". Mr. Jokichi Watanabe, the founder of the company, decided to use shop name "YA" "MA" "WA", which he had been using in his family business instead of using his personal name. And he gave to his company the name "YA" "MA" "WA" by employing lucky words and the same connotaion "YAMAWA" from ancient Japanese characters, MANYOGANA. The meaning of YAMAWA is "Greater prosperity, More united". In this word, he put a wish "as the company becomes prosperous, the harmony among employees becomes more precious".