1963 | August | Established Kokubu Kagaku Kougyou at 1227-1, Takaida Kashiwara City, Osaka, started manufacturing Plastic Resin Injection Molding Products. |
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1964 | April | Started 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 | Started manufacturing cold forged Self-drilling screws. |
1985 | February | Constructed a factory for Fastener Division. |
1988 | April | Established Fastener Division Warehouse (for packing & shipment) |
1993 | May | Changed company name to Kokubu Corporation and started domestic sales. |
1994 | August | Increased capital to JP¥10,000,000- from ¥5,000,000-. |
1998 | February | Approved as Self-drilling screws Factory for Steel Housing from Kouzai Association. |
2002 | May | Accredited ISO9001:2000 |
2003 | October | Increased capital to JP¥20,000,000- from ¥10,000,000-. |
2003 | November | Fastener Division and Plastic Division were integrated. |
2006 | July | Accredited Ministry of Land, Infrastructure and Transport Grade for Drywall Screws used for Wood-frame (2 x 4) Construction. |
2009 | November | Constructed new factory, logistics center and head office building in Shindo-cho, Nara. |
2010 | March | Started operation in new factory. |
Main Facilities | Cold Heading (Forming) Machine: 25 sets Cold Pinch Pointer Machine: 16 sets Thread Rolling Machine: 35 sets Washer Assembling Machine: 2 sets Shank Slotting Machine: 3 sets Collating Screws Machine: 4 sets Computerized Sorting Machine: 2 sets Sorting Machine with Roller: 3 sets Driving Test Fixture: 3 sets Salt Spray Test Fixture: 1 set Pull-out and Shear Strength Analytical Instrument: 1 set Torque Analytical Instrument: 1 set Other related inspection equipments |
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