Common questions and concerns about screws resolved! Screw standards edition.
YAMAWA will respond to the inquiries received from customers. This document includes detailed explanations. 【Contents】 ■Inquiry In an old drawing, the part for the internal thread is labeled "TM10X2." I understand that it is a "30° trapezoidal thread," but I was told by the retailer that the TM tap is no longer available on the market, and that the tap for the 30° trapezoidal thread would be Tr 10X2. Is it okay to process with this tap? Also, what diameter should the pilot hole be? *For more details, please refer to the PDF document linked below.
Inquire About This Product
basic information
【Other Published Content】 ■Answers ■Explanations ■Specifications for TM threads ■Specifications for Tr threads, etc. *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
Company information
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.