SDC Clean Bolt Series [Adopted for International Project KAGRA]

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SDC Clean Bolt

last updated：Jan 10, 2025

ＳＤＣ田中

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This is a highly regarded bolt and nut that is ideal for environments that dislike impurities, ranging from extremely low temperatures to high temperatures!

The "SDC Clean Bolt" is a high-quality bolt and nut used in environments such as semiconductor and pharmaceutical factories, where measures like lubricants and plating/coating to prevent seizure cannot be employed. It is designed to perform optimally even under harsh conditions and has been adopted for the international project of the large low-temperature gravitational wave telescope, KAGRA. 【Features of SDC Clean Bolt】 ■ Treated with SDC plasma surface hardening to prevent seizure and galling during tightening ■ Due to the diffusion penetration treatment, there is no concern about peeling off like lubricants or plating *Please refer to the PDF data of the "SDC Clean Bolt" catalog available for download.

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**What is the "Large Cryogenic Gravitational Wave Telescope" KAGRA?** The KAGRA project (Large Cryogenic Gravitational Wave Telescope Project) is an international project aimed at the elucidation of black holes and marks humanity's first "direct observation of gravitational waves." Led by Professor Takaki Kajita, a Nobel Prize laureate, at the University of Tokyo's Institute for Cosmic Ray Research, along with the National Astronomical Observatory and the High Energy Accelerator Research Organization, this major project involves researchers from numerous research institutions both domestically and internationally. **Provision of Components for the Project** In the KAGRA construction project, experts from various fields provide the highest quality components, such as vacuum devices, high-power lasers, and cryogenic mirrors, achieving world-class standards. The "SDC Clean Bolt" has been recognized for its quality and is used as a component in various devices. *Please refer to the download section for the PDF data of the "SDC Clean Bolt" catalog.*

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Semiconductor manufacturing equipment FPD manufacturing equipment Cosmetics and pharmaceuticals related manufacturing equipment Food and beverage related equipment