Introducing bolts and nuts for rail joint plates used in railways!
At Teikoku Seibou, which has been producing bolts, screws, and nails essential for social infrastructure such as railways, construction, civil engineering, shipbuilding, and aircraft for about 100 years, we handle "joint plate bolts and nuts" used in railway applications. Our company manufactures ordinary steel joint plate bolts and heat-treated joint plate bolts based on JIS E1107 Appendix 1 (regulations) for Whitworth thread joint plate bolts and nuts. 【Types and Uses of Bolts】 ■ Type A - For 30kg (A30) rails: Ordinary joint plate - For 37kg (A37) rails: Ordinary joint plate - For 50kg (A50) rails: Ordinary joint plate ■ Type B - For 30kg (B30) rails: Heat-treated joint plate - For 37kg (B37) rails: Heat-treated joint plate - For 40kgN (B40N) rails: Ordinary joint plate/Heat-treated joint plate - For 50kg (B50) rails: Heat-treated joint plate - For 50kgN (B50N) rails: Ordinary joint plate/Heat-treated joint plate *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Types and Uses of Nuts】 ■ Type A: For Joint Plate Bolt Type A ■ Type B: For Joint Plate Bolt Type B *For more details, please refer to the PDF document or feel free to contact us.
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The fusion of ancient traditional techniques and modern new technologies. Believing that "years of experience lead to great creativity," we adopt the slogan "We want to fit the next needs" and aspire to advance as a company capable of creation, production, and research. Your information, suggestions, questions, and requests will guide us toward further growth. We aim to be a company that thinks and creates together with our customers, so please feel free to contact us with anything.
