Company information
"Reliable Screw Threads" is YAMAWA's theme. Every YAMAWA product is manufactured with quality and precision in mind. Guided by our core philosophy of providing “Reliable Screw Threads”, we strive to contribute to society through trustworthy craftsmanship.
Since our founding in 1923, the YAMAWA Group has been dedicated to researching and developing the highest quality cutting tools—such as taps, dies, and center drills—to meet the ever-evolving technological needs of the market. Guided by the founding spirit of contributing to the progress and development of Japan’s machinery industry, we continue to pursue excellence as specialists in cutting tools. YAMAWA products are trusted across a wide range of industries, from space exploration and aerospace to automotive, shipbuilding, machine tools, home appliances, and IT-related sectors—both in Japan and worldwide. Staying true to our philosophy of providing “Reliable Screw Threads”, we constantly refine our technology and quality management systems. As Japan’s first tap manufacturer to obtain ISO 9001 certification, we take pride in our heritage while striving to advance innovation and deliver cutting tools that support manufacturing around the world.

Business Activities
YAMAWA provides a wide range of precision tools for creating both internal and external threads, designed to deliver consistent accuracy and reliability in every application. "General Thread Cutting Tools" For internal threads → Spiral taps / Point taps / Hand taps / Roll taps / Nut taps / Special thread taps / Pipe taps / Helical cutters, etc. For external threads → Solid dies / Pipe dies / Point solid dies / Rolling dies / Die attachments, etc. "General Drilling Tools" We manufacture and sell center drills / Point drills / Starting drills / Joint tools / Joint holders / Cutters for submarine gates / Countersinks, etc.
Company overview
- Company name 株式会社Yamawa Manufacturing Co.,Ltd.
- Establishment
- Address 〒104-0031 東京都 中央区 3-13-10 Kyobashi, Nakajima Gold Building View on map
- TEL 03-3561-2751
- FAX 03-3561-2721
