Kokubu Corporation
2019-7-29u2002·u2002Started manufacturing Steel (Metal) Screws (Bolts). 1966 : Started manufacturing small machine and tapping screws. 1968 : Started manufacturing Cross Recess Punches (Tools) and exporting machine screws. 1969 : Founded screw manufacturing plant in Masan, Korea, as a joint venture. 1976 : Started R & D on cold forged Self-drilling screws. 1978: June
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