Published a table showing the drill hole diameters for 'standard screws' and 'sewing machine screws'!
This document introduces the drill hole diameters for cutting processing screws. It includes tables for "metric screws," "insert coil unified screws," and "sewing machine screws," detailing the inner diameters of the female threads and the drill hole diameters. Please take a look so that you can process "reliable screws" for your needs. 【Contents (partial)】 ■ For metric screws ■ For unified screws ■ For insert coil metric screws ■ For insert coil unified screws ■ For Whitworth coarse screws *For more details, please refer to the PDF document or feel free to contact us.
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【Other Listings (Partial)】 ■Screws for sewing machines ■Pipe parallel thread PS ■Pipe parallel thread Rp ■Pipe parallel thread 〇PF, G ■American pipe parallel thread *For more details, please refer to the PDF document or feel free to contact us.
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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.
