We will introduce the basic knowledge of metric threads, unified threads, and Whitworth threads.
This document provides basic knowledge about screws. Currently, the most commonly used screw standard in Japan is the metric coarse thread, but there are also metric fine threads, Unified threads, Whitworth threads, and others in circulation. Therefore, we will explain the basic knowledge of these screws based on JIS (Japanese Industrial Standards). [Contents] ■ Terminology of screws ■ Representation of screws ■ Standard profile of screws ■ Tolerances of screws *For more details, please refer to the PDF document or feel free to contact us.
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Yamazaki Co., Ltd. always has tens of thousands of screws in stock, and we sell not only to businesses and companies but also through retail sales and online sales. In addition to screws, we also offer industrial equipment, machine tools, and processing services with our own facilities, catering to a wide range of customers from specialized professionals to the general public.