Many successful applications in Shinkansen! Higher strength than cutting processing, and capable of mass production as well as custom orders! We also offer prototyping, so please feel free to consult with us.
♦P.C. Tie Rod Trapezoidal Screw Bolt♦ The "trapezoidal screw/bolt" for concrete ties is manufactured using the "hot-rolled rolling method," which offers superior strength compared to cutting processes. It has already been successfully used in numerous instances in the Shinkansen maintenance and can also be used for securing parts of civil engineering, such as the hanging sections of concrete walls in underground areas. ★Please feel free to consult us regarding other applications or prototypes. We also design "male threads." 【Features of the Hot-Rolled Rolling Method】 - Maintains the fiber structure of the steel, providing excellent strength - High precision with no eccentricity - Suitable for mass production - Custom products for irregular/trapezoidal screws are also available ♦Connection Plate Bolt and Nut♦ Standard steel connection plate bolts and heat-treated connection plate bolts. 【Features】 - Heat-treated connection plate bolts are produced in three grades: 5.6, 8.8, and 10.9 - Obtained JIS display permission (certification) ◆Prototype Forged Parts◆ If you provide us with drawings, we can design and prototype molds regardless of quantity! This allows for rough processing through forging, not only for bolts but also for complex shapes or when you want to reduce excess material in lathe processing. *For more details, please contact us or refer to the catalog.*
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basic information
♦P.C. Tie Wood Trapezoidal Screw Bolt♦ 【Processing Range】 Screw Diameter: 16 to 32 mm Screw Length: 50 to 300 mm Screw Pitch: 50 to 20 mm ♦Joint Plate Bolt and Nut♦ 【Product Lineup】 - Bolt Type A for 30kg Rail A30 - Bolt Type A for 37kg Rail A37 - Bolt Type A for 50kg Rail A50 - Bolt Type B for 30kg Rail A30 - Bolt Type B for 37kg Rail A37 - Bolt Type B for 40kgN Rail A40N - Bolt Type B for 50kg Rail B50 - Bolt Type B for 50kgN Rail A50N - Nut Type A - Nut Type B ◆Prototype Forged Parts◆ If you provide us with drawings, we can design and prototype molds regardless of quantity! This allows for rough processing by forging not only for bolts but also for complex shapes or when you want to reduce excess material in lathe processing. *For more details, please refer to the catalog. Feel free to contact us with any inquiries.*
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Applications/Examples of results
【Railway-related Valued Customers】 Hokkaido Railway Company, East Japan Railway Company, Central Japan Railway Company West Japan Railway Company, Shikoku Railway Company, Kyushu Railway Company Japan Freight Railway Company, Tokyo Metro Co., Ltd., Tokyo Metropolitan Bureau of Transportation, Osaka City Transportation Bureau and other city transportation bureaus Independent Administrative Institution Railway Construction, Transport Facilities Development Support Organization Kinki Nippon Railway Co., Ltd., Hankyu Railway Co., Ltd., Keihan Electric Railway Co., Ltd. Nankai Electric Railway Co., Ltd., Hanshin Electric Railway Co., Ltd., Kobe Electric Railway Co., Ltd. Sanyo Electric Railway Co., Ltd., Hankai Tramway Co., Ltd., Kita-Osaka Kyuko Railway Co., Ltd. Nishi-Nippon Railroad Co., Ltd., and other private railways Hokkaido JR Merchandising Co., Ltd., JR East Merchandising Co., Ltd. JR Central Merchandising Co., Ltd., JR West Merchandising Co., Ltd. Shitetsu Transport Co., Ltd., JR Kyushu Merchandising Co., Ltd., JR Freight Merchandising Co., Ltd. *For details, please contact us or refer to the catalog.
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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.