Forged Bolts - List of Manufacturers, Suppliers, Companies and Products

Forged Bolts Product List

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Empire Fastener Co., Ltd. "21st Century Product Catalog"

I want to fit the following needs: "21st Century Product Catalog"

At Teikoku Seibou Co., Ltd., we have been dedicated to each product with reliable technology and a trustworthy system. To further respond to the "next needs," we have developed a system that leverages the characteristics of both hot and cold forging technologies cultivated up to today, allowing us to accommodate orders for standard bolts as well as custom shapes and irregular bolts, regardless of the lot size. The "21st Century Product Catalog" includes not only "company history," "JIS approved items," "production steel materials," and "main production and inspection equipment," but also a wide range of products such as "10.9 high-strength bolts," "10.9 hex socket bolts," "dog nails and stop nails," "rail screws," "rail fastening bolts," "gauge adjustment fittings," and "joint plate bolts." *For urgent or emergency inquiries, or for technical questions, please contact us directly through our website.

  • Steel
  • Secondary steel products
  • Work tools

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Bolt manufacturing utilizing hot forging technology.

Small lot, multi-variety production is possible! We can also create special bolts.

The greatest strength of Nakano Bolt Factory Co., Ltd. lies in bolt manufacturing utilizing "hot forging technology." Hot forging is a manufacturing method that involves processing metal while it is heated and in a flexible state. Using this method, our company produces bolts with various shapes of heads. We have a team of veteran craftsmen skilled in mold making, allowing us to create even special bolts. In the past, we have a track record of producing a single bolt, and our ability to manufacture small lots and a variety of products is one of the reasons why we are chosen by customers. 【Features of Hot Forging】 ■ Can manufacture even complex shapes ■ No internal defects and high strength *For more details, please refer to the PDF document or feel free to contact us.

  • Metalwork
  • Work tools
  • Manufacturing Technology

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Nakano Bolt Factory Co., Ltd. "Manufacturing Process"

We are always manufacturing bolts in a perfect environment!

The Nakano Bolt Factory manufactures bolts used in water pipes as a certified factory by the Japan Water Works Association. Strict standards are set to ensure that the tap water we consume daily is not adversely affected by defective bolts (such as dimensional abnormalities or insufficient strength). As a certified factory, we undergo regular inspections from the Japan Water Works Association, which include on-site checks and product evaluations, ensuring that we always manufacture bolts in a fully compliant environment. 【Bolt Manufacturing Process】 1. Cutting: Cutting iron materials of about 6 meters to the required lengths. 2. Forging: Heating the cut pieces with heavy oil to shape the heads of the bolts. 3. Burr Removal: Removing burrs that form around the heads of the bolts during forging. 4. Upsetting: Reducing the diameter of the bolts by upsetting part of them. 5. Thread Rolling: Performing threading on the upset portion of the bolts. *For more details, please refer to the PDF document or feel free to contact us.

  • Metalwork
  • Work tools
  • Manufacturing Technology

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