Detailed information on the engagement rate of female threads! We also introduce the standard engagement rate height and more.
The engagement rate of the female thread refers to the percentage of the actual engagement height compared to the reference engagement height. "Actual engagement height / Reference engagement height × 100%" This technical document includes information on the "engagement rate" and also introduces a simple calculation formula. 【Contents】 ■ What is the engagement rate of the female thread ■ Calculation formula for the engagement rate based on the screw hole diameter and female thread ■ Reference engagement height ■ Hole diameter table (main 7 dimensions) *For more details, please refer to the PDF document or feel free to contact us.
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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.
