プロスパー洸洋 List of Products and Services

The "coupling bolt" is a bolt used to connect the motor shaft and the shaft using a flange joint. By using a flange joint, maintenance is reduced. It has a rubber component that is expected to reduce noise from vibrations, decrease bolt wear, and alleviate excessive loads during motor startup. 【Features】 ■ Used to connect the motor shaft and the shaft using a flange joint ■ Reduces maintenance by using a flange joint ■ The rubber component is expected to reduce noise from vibrations, decrease bolt wear, and alleviate excessive loads during motor startup *For more details, please refer to the PDF document or feel free to contact us.

• bolt

Prosper Koyo Co., Ltd. provides stable supply and high-quality products as a comprehensive trading company for fastening parts. We offer ultimate support for all fastening parts, both domestic and international. We also engage in "hinge manufacturing" and "earth bond manufacturing," so please feel free to contact us when you need assistance. 【Products】 ■ Hinge Manufacturing ■ Earth Bond Manufacturing *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Processing Contract
• others

We manage inventory of SS and stainless steel liners for leveling during machine installation. The "SS Flat Liner" and "SS Taper Liner" are available in two sizes: "50×100" and "75×100," while the "Stainless Steel Flat Liner" is available in one size: "50×100," with a wide range of thicknesses. We offer various sizes to our customers. Please feel free to contact us when you need assistance. 【Product Lineup】 ■ SS Flat Liner ■ SS Taper Liner ■ Stainless Steel Flat Liner *For more details, please refer to the PDF document or feel free to contact us.

• others

This product is a partition plate for piping tests based on our original specifications. It is engraved by size, making it easy to manage. The stock items are made of stainless steel (SUS304) and conform to JIS10K standards. If you require different specifications or sizes, please contact us for a quote. 【Features】 ■ Partition plate for piping tests ■ Our original specification product ■ Engraved by size for easy management ■ Stock items are made of stainless steel (SUS304) and conform to JIS10K standards ■ Accommodates different specifications and sizes *For more details, please refer to the PDF document or feel free to contact us.

• others

Our company not only sells "post-installed anchors" but also conducts pull tests and provides explanations on the proper usage of anchors at various job sites. In harsh environments, selecting the right products for post-installed anchors is essential. We also ensure thorough testing documentation (such as MSDS) for underwater installation and use in high-temperature conditions. 【Handling Manufacturers】 ■ Fischer Japan ■ Asahi Kasei Chemicals ■ Nippon Dekorax ■ Nippon Power Fastening *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Other work tools
• Other safety and hygiene products

We handle "U bands" for piping/flanges. The "flange U band" is our original specification. We offer materials in "zinc plating" and "stainless steel (SUS304)," and the stainless steel M10 flange bands come with ISO standard nuts. 【Lineup】 <Stainless Steel (SUS304)> ■20A ■25A ■40A ■50A ■100A *For more details, please refer to the PDF document or feel free to contact us.

• others

The product is a U-bolt for piping. The thread diameters include metric threads starting from "M6," as well as "M8," "M10," and "M12." We also handle long leg U-bolts (+30, +50). As a comprehensive trading company for fastening components, we provide ultimate support for all fastening parts both domestically and internationally. We offer stable supply and high-quality products. Please feel free to contact us. 【Product Lineup (Excerpt)】 <Thread Diameter (Metric Thread)> ■M6 ■M8 ■M10 ■M12 *For more details, please refer to the PDF document or feel free to contact us.

• bolt

We would like to introduce the "lifting equipment" handled by Prosper Koyo Co., Ltd. Our lineup includes "shackles," as well as "eye bolts," "eye nuts," "link chains," and "carabiners." As a comprehensive trading company for fastening components, we provide ultimate support for all fastening parts both domestically and internationally. We offer stable supply and high-quality products. 【Lineup】 ■ Shackles ■ Eye bolts ■ Eye nuts ■ Link chains ■ Carabiners *For more details, please refer to the PDF document or feel free to contact us.

• bolt
• nut
• Other safety and hygiene products

Our company handles "industrial stud bolts and nuts." We comply with JIS, ISO, DIN, ASTM, and EN standards. The materials used include "SUS304-JIS," as well as "A193-B7 (ASTM)" and "A193-B16," among others. Prosper Koyo Co., Ltd. supports all fastening components both domestically and internationally as a comprehensive trading company for fastening parts, providing stable supply and high-quality products. 【Materials】 ■SUS304-JIS (cold drawn material - bar steel JIS/G4303 material/JIS-G4318 material/JIS-G4311 material) ■A193-B7 (ASTM), SNB7 (JIS), 42CrMo4 (EN), A194-Gr2H, A193-B8-CL1 ■A193-B16/A194-Gr4/A193-B8-CL2 ■A320-B8-CL-1/A320-B8-CL2 ■A320-L7/A194-Gr4 *For more details, please refer to the PDF document or feel free to contact us.

• bolt
• nut

Our company handles "bolts, nuts, small screws, and tapping screws for fastening." We offer a lineup that includes "hex bolts," "cross-recessed pan head screws," "cross-recessed round head screws," "hex nuts (types 1, 2, and 3)," and "flanged hex nuts." The materials used are primarily selected based on those commonly used by each manufacturing company, and if there are specific material requirements, we will accept orders for LOT production. Please feel free to contact us when making inquiries. 【Lineup (excerpt)】 <Bolts> ■ Cross-recessed pan head screws ■ Cross-recessed round head screws ■ Cross-recessed sems screws ■ Hex trimmer bolts *For more details, please refer to the PDF document or feel free to contact us.

• bolt
• nut

This catalog introduces the products handled by Prosper Koyo Co., Ltd., a general trading company for fastening parts. We offer a variety of products, including fastening bolts, nuts, small screws, and tapping screws, as well as industrial stud bolts, nuts, and partition plates (paddle blinds). [Contents] ■ Fastening bolts ■ Industrial stud bolts ■ Lifting equipment ■ U-bolts ■ U-bands (for piping/flanges), etc. *For more details, please download the PDF or feel free to contact us.

• bolt
• nut