Screw×サンエイ - List of Manufacturers, Suppliers, Companies and Products

Screw Product List

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Special screw, special inch screw

Special screw, special inch screw

Since it is an overseas standard, it is often used for imported goods, plumbing fixtures, and construction-related items.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that are not available on the market, please feel free to consult us. "Special inch screws" are screws measured in inches, with thread angles of Unified screws (60°) and Whitworth screws (55°). Unified screws are categorized into coarse (UNC) and fine (UNF) threads based on pitch intervals. As they adhere to international standards, they are commonly used in imported goods, plumbing fixtures, and construction-related applications. Please consult us when considering production. For more details, please contact us or refer to our catalog.

  • Joints between components

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Special screws, special screws for special pipes

Special screws, special screws for special pipes

It is also compatible with American National Pipe Thread (NPT) with a thread angle of 60 degrees.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that cannot be obtained commercially, please feel free to consult us. "Special pipe screws" are used for connections in pipes and fluid machinery, and the pitch is finely specified to ensure the strength of the joints. There are pipe parallel screws (G) for mechanical connections and pipe tapered screws (R) for sealing purposes. We also accommodate American National Pipe Thread (NPT) with a thread angle of 60 degrees. For more details, please contact us or refer to our catalog.

  • Joints between components

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Special screw, special feed screw

Special screw, special feed screw

It is used for applications that involve moving mechanical parts in a linear manner.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that are not available on the market, please feel free to consult us. "Special lead screws" are screws used in machine tools and positioning applications, designed for the linear movement of machine parts. Trapezoidal screws are commonly used, and we can also accommodate two-start screws (multi-start screws). For more details, please contact us or refer to our catalog.

  • Joints between components

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Custom-made special screws

Custom-made special screws

Custom-made screws by specialists in special screws! We accommodate various shapes.

"San-Ei," which manufactures and sells special screws in Osaka, offers a completely custom-made service that produces special screws tailored to specific products and specifications, such as screw parts not available on the market, long bolts, and bolts with internal threads. [Processing Examples] - Head shape processing (oval shape/knurled) - Hole processing in the head (hexagonal/hexalobular) - Eccentric processing - Head painting - Polishing processing - Welding - Through hole processing - Tapping processing [Recommended for the following people!] - Those who need special screws that cannot be obtained commercially - Those who require screws for specific products or specifications in construction, machine tools, transportation machinery, industrial machinery, chemical plants, etc. - Cases where materials or surface treatments are needed according to environmental conditions, such as improving strength, corrosion resistance, and wear resistance. For more details, please download the catalog or contact us.

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Special screws, special fine screws

Special screws, special fine screws

We can make small screws that are not available on the market! We can also produce from M1.0.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that cannot be obtained commercially, please feel free to consult us. "Special fine screws" are small screws with a nominal diameter of about 1 to 2 mm, used in electronic devices, precision machinery, watches, and more. We can manufacture from M1.0 and can accommodate specifications such as drilling holes in the center or milling the head as required. For more details, please contact us or refer to our catalog.

  • Joints between components

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Special screw, special anti-loosening screw

Special screw, special anti-loosening screw

It is used for purposes that involve repeatedly tightening and loosening the fixation of doors.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that are not available on the market, please feel free to consult us about anything. "Special anti-drop screws" are used in applications where doors need to be secured and frequently tightened or loosened. They do not fall off when loosened, making them convenient as they cannot be lost. We can accommodate both modifications from commercially available bolts and custom manufacturing. For more details, please contact us or refer to our catalog.

  • Joints between components

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Special screw, special left-hand screw

Special screw, special left-hand screw

By using it on rotating bodies of electric motors and the like that rotate to the right, it helps prevent loosening.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that are not available on the market, please feel free to consult us. "Special left-hand screws" are used in rotating bodies such as electric motors to prevent loosening by being installed in right-hand rotating applications. They are commonly used as fan blade fixing screws and motor shaft securing screws. Please consult us when considering production. For more details, please contact us or refer to our catalog.

  • Joints between components

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Special screw, special clamp screw

Special screw, special clamp screw

Screws for fixing objects such as clamps and vises. We can accommodate shapes according to the application.

At Sun-Ei Co., Ltd., we offer custom-made screws tailored to specific products and specifications for applications such as construction, machine tools, transportation machinery, industrial machinery, and chemical plants. If you have any special screws that cannot be obtained commercially, please feel free to consult us. "Special clamp screws" are screws used for securing items such as clamps and vises. Metric screws and trapezoidal screws are used. We can accommodate shapes according to your application. For more details, please contact us or refer to our catalog.

  • Joints between components

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