Introducing industrial studs and nuts compliant with JIS, ISO, DIN, ASTM, and EN standards!
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.
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We sell industrial bolts and stud bolts used in air conditioning equipment, piping equipment, as well as small screws, cap bolts, and anchors (galvanized, stainless steel, brass, B7, SS, and others). We also offer milling and lathe machining services. Please feel free to contact us if you have any requests.