| 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. |
| 1970 |
高張力ボルト工業(株)から市川工場を譲り受け営業開始 |
| 1970 |
大阪営業所 開設 |
| 1970-03 |
設立 : 1970 年 3 月 (株)神戸製鋼所と神鋼商事(株)の出資により神鋼ボルト(株)を設立 |
| 1972 |
Obtains the Ministry of Construction approval for the Torshear Type High Strength Bolt. |
| 1972 |
トルコンボルトの建設省認可取得 |
| 1973 |
Obtains approval as a JIS compliance manufacturer for the manufacture of High Strength Hexagon Bolt (JISB1186). |
| 1973 |
高力六角ボルト(JISB1186)のJIS表示工場認可取得 |
| 1982 |
Absorbs Ueshima Nut Co., Ltd. through merger (capitalized at 310 million yen). |
| 1982 |
上島ナット(株)を吸収合併 |
| 1984 |
Obtains the Minister of Construction approval for Hot Dip Galvanized High Strength Bolt. |
| 1984 |
溶融亜鉛めっき高力ボルトの建設大臣認定取得 |
| 1994 |
Establishes Nagoya Sales Office. |
| 1994 |
Establishes Fukuoka Sales Office. |
| 1994 |
名古屋営業所 開設 |
| 1994 |
福岡営業所 開設 |
| 1996 |
Completes new head office premises. |
| 1996 |
本社新社屋 完成 |
| 1998 |
Obtains approval for display of the JIS B1180 mark in the manufacture of Hexagonal Bolt. |
| 1998 |
六角ボルト(JISB1180)の表示認可取得 |
| 2001 |
Investment ratio changes (to 100% investment by Kobe Steel, Ltd.). |
| 2001 |
出資比率変更(神戸製鋼所100％) |
| 2002 |
Obtains ISO9001 certification. |
| 2002 |
ISO9001認証取得 |
| 2005 |
Obtains the Minister of Land, Infrastructure, Transport and Tourism approval for Large Diameter High Strength Bolt. |
| 2005 |
太径ハイテンションボルトの国土交通大臣認定取得 |
| 2007 |
Obtains Eco Action 21 certification. |
| 2007 |
エコアクション21認証取得 |
| 2013 |
Obtains EN14399-1 certification (European Union). |
| 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. |
| 2014 |
トルコンボルト、溶融亜鉛めっき高力ボルトなど、国土交通大臣認定を追加取得 |
| 2021 |
English corporate name changes (to Kobelco Bolt, Ltd). |
| 2021 |
英文商号をKobelco Bolt, Ltd.に変更 |
