M1 Seiko specializes in extremely high-precision special screw grinding processing.
At M1 Seiko, we specialize in extremely high-precision "special screw grinding processing," rather than the so-called general-purpose screws for industrial use. Our products are utilized in various fields such as automobiles, machine tools, semiconductor manufacturing equipment, aircraft, and academic research, and we have received high praise, particularly for extremely high-precision prototypes and samples that are required in the pre-mass production stage. In recent years, they have also been used in precision positioning devices such as actuators. *For more details, please refer to the PDF materials or feel free to contact us.
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**Regarding the Removal of Incomplete Threads** At M1 Seiko, we take measures to address the incomplete threads (incomplete threads) at the start of the screw. Typically, the sharp edges of the threads at the beginning of the screw are rounded off with a file, but our company completely removes the ends of the threads by cutting them at an angle. If the internal female threads are damaged, it can be critically detrimental to precision and can also cause injuries to assembly workers. The removal of incomplete threads is a consideration for such risks. This processing is not implemented at the request of customers, but as a voluntary consideration by our company. *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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M1 Seiko Co., Ltd. is located in Ota Ward, Tokyo (Kamata area), where some of the country's top skilled craftsmen compete fiercely, and specializes in high-precision products in the micron to sub-micron range. The processing fields include a wide range of techniques such as polishing, turning, milling, jig grinding, gear grinding, form grinding, centerless (dead tools), NC turning, machining, wire cutting, and electrical discharge machining, catering to everything from parts to equipment, metals to resins, small items to medium-sized products, and from custom-made single items to mass production. We also focus on providing ideas and know-how, including design and development, and have a proven track record of solving problems for difficult jobs that other companies have declined or for items that did not meet the required precision or performance. Among the aforementioned processing fields, several of our core products have received such high praise from discerning customers that they have stated for many years, "We cannot find an alternative supplier."