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2. (2) Ishibashi, T., Fatigue of Metals and Prevention of Fracture (in Japanese), Yokendo Tokyo, (1969).
3. (3) Hagiwara, M., Ohashi, N., Yoshimoto, I., On the Fatigue Strength of a Bolt Manufactured by the Thread Rolling -Effect of Residual Stress at the Thread Root-, Proceeding of the 9th International Conference on Experimental Mechanics, No.3 (1990), pp. 1255-1261.
4. (4) Kim, W., Kawai, K., Koyama, H., Miyazaki, D., Fatigue strength and residual stress of groove-rolled products, Journal of Materials Processing Technology,No.194 (2007), pp. 46-51.
5. Effect of Free-threaded Portion of a Bolt on its Tensile Properties