| 1970 |
Shinko Bolt, Ltd. established with investment by Kobe Steel, Ltd. and Shinsho Corporation. Takes over Ichikawa Plant and High Strength Bolt business from High Strength Bolt Industries, Co., Ltd. (Kawasaki) and opens for business. Establishes Osaka Sales Office. |
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| 1972 |
Obtains the Ministry of Construction approval for the Torshear Type High Strength Bolt. |
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| 1973 |
Obtains approval as a JIS compliance manufacturer for the manufacture of High Strength Hexagon Bolt (JISB1186). |
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| 1982 |
Absorbs Ueshima Nut Co., Ltd. through merger (capitalized at 310 million yen). |
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| 1984 |
Obtains the Minister of Construction approval for Hot Dip Galvanized High Strength Bolt. |
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| 1994 |
Establishes Nagoya Sales Office. |
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| 1994 |
Establishes Fukuoka Sales Office. |
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| 1996 |
Completes new head office premises. |
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| 1998 |
Obtains approval for display of the JIS B1180 mark in the manufacture of Hexagonal Bolt. |
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| 2001 |
Investment ratio changes (to 100% investment by Kobe Steel, Ltd.). |
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| 2002 |
Obtains ISO9001 certification. |
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| 2005 |
Obtains the Minister of Land, Infrastructure, Transport and Tourism approval for Large Diameter High Strength Bolt. |
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| 2007 |
Obtains Eco Action 21 certification. |
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| 2013 |
Obtains EN14399-1 certification (European Union). |
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| 2014 |
Obtains the additional approval of Minister of Land, Infrastructure, Transport and Tourism approval for Torshear Type High Strength Bolt, Hot Dip Galvanized High Strength Bolt and various other products. |
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| 2021 |
English corporate name changes (to Kobelco Bolt, Ltd). |
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