| 摘要 |
PURPOSE: A salt damage prevention bolt and a manufacturing method thereof are provided to prevent corrosion caused by seawater and salt by using a salt damage preventing member having strong corrosion resistance. CONSTITUTION: A salt damage prevention bolt comprises a core material(11) and a salt damage preventing layer(12). The salt damage preventing layer is formed in the circumference of the core material at predetermined thickness and includes a screw-thread on the outer circumference. The salt damage prevention layer is composed of salt damage preventing member of one or more among a glass fiber, a carbon fiber, and an aramid fiber.
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