Introducing bolts and nuts for rail joint plates used in railways!
At Teikoku Seibou, which has been manufacturing 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 plates - For 37kg (A37) rails: Ordinary joint plates - For 50kg (A50) rails: Ordinary joint plates ■ Type B - For 30kg (B30) rails: Heat-treated joint plates - For 37kg (B37) rails: Heat-treated joint plates - For 40kgN (B40N) rails: Ordinary joint plates / Heat-treated joint plates - For 50kg (B50) rails: Heat-treated joint plates - For 50kgN (B50N) rails: Ordinary joint plates / Heat-treated joint plates *For more details, please refer to the PDF document or feel free to contact us.
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【Nut Types and Uses】 ■ 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 techniques and modern technologies. Believing that "years of experience lead to great creativity," we have adopted the slogan "We want to meet the next needs" and aim to advance as a company capable of creation, production, and research. Your information, suggestions, questions, and requests will guide us toward further growth. We aspire to be a company that thinks and creates together with our customers, so please feel free to contact us with anything.
