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  5. Screw
  6. Cap screw

Cap screw

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last updated:Jan 16, 2026

KOYAMA CO., LTD. Head office, Tochigi branch, Tokyo branch, Kawasaki branch, Shizuoka branch, Osaka branch, Nagareyama local office, 4 overseas local companies (the Philippines, Shanghai, Hong Kong, Vietnam)
KOYAMA CO., LTD. Head office, Tochigi branch, Tokyo branch, Kawasaki branch, Shizuoka branch, Osaka branch, Nagareyama local office, 4 overseas local companies (the Philippines, Shanghai, Hong Kong, Vietnam)
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Materials such as SUS430, aluminum, and titanium are available! A variety of sizes are lined up.

We would like to introduce the "Nabe small screws" that we handle. We offer a wide range of screw sizes, including M2, M2.3, M2.5, M2.6, M3, M3.5, M4, and M5. We have a variety of materials available, such as iron, brass, stainless steel, and SUS316L. 【Partial Lineup】 ■M2 ■M2.3 ■M2.5 ■M2.6 ■M3 *For more details, please feel free to contact us.

    Screw
ナベ小ねじ.png

Cap screw

ナベ小ねじ.png
ナベ小ねじ.png
  • Related Link - https://www.koyamas.co.jp/
  • Special site - Product/service details - https://pr.mono.ipros.com/koyama/product/

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【Other Lineup】 ■M3.5 ■M4 ■M5 ■M6 ■M8 ■M10 ■M12 *For more details, please feel free to contact us.

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Koyama Co., Ltd. "Company Profile"

Koyama Co., Ltd. "Company Profile"

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Company information

KOYAMA

KOYAMA CO., LTD. Head office, Tochigi branch, Tokyo branch, Kawasaki branch, Shizuoka branch, Osaka branch, Nagareyama local office, 4 overseas local companies (the Philippines, Shanghai, Hong Kong, Vietnam)

Trading company/Wholesale

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Our company is a specialized trading firm that handles a wide range of products related to manufacturing, centered around "screws." We offer not only tools, carts, and standard screw products but also processed and drawing items made of metals, plastics, and harnesses. Additionally, we handle various types of transport robots such as AGVs and AMRs. Since our establishment in 1957, we have been engaged in transactions with many suppliers both domestically and internationally. Our strengths lie in our reliable quality, competitive pricing, and speedy responsiveness. In addition to our headquarters in Tokyo, we have branches in Kawasaki, Tochigi, Shizuoka, Osaka, the Philippines, Vietnam, Shanghai, and Hong Kong, where our sales representatives provide consistent support from quotations to after-sales follow-up. We also have a subsidiary, Tokai Lock Co., Ltd., which specializes in anti-loosening processing for screws. We will provide optimal proposals tailored to your needs, so if you have any issues related to manufacturing, please feel free to contact Koyama Co., Ltd.

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