沿 革
March 1958
May 1965
April 1975
January 1977
February 1978
May 1980
March 1987
December 1989
September 1990
March 1992
June 1994
August 1996
November 2003
October 2014
June 2015
July
January 2018
September 2021
January 2023
Founded Yao Seisakusho in Ikuno-ku, Osaka
Started manufacturing hexagon wrenches
Moved to the current address and completed the first Osaka factory.
Started production of ball point products.
Completed Osaka second factory
Established Yao Metal Industry Co., Ltd.
Started production of Excellent series
Completed First Tottori Factory
Completed Second Tottori Factory
Renamed as Eight Tool Co., Ltd.
Completed Third Tottori Factory
Completed First Tottori Warehouse
Completed Second Tottori Warehouse
Completed New Third Tottori Factory
Obtained Official licensing of Torx®/Torx Plus® from AGT (U.S.A.)
Opened Tokyo Sales Office
Founded EIGHT TOOL America Inc.
Acquired ISO9001 and ISO14001
Completed Fourth Tottori Factory