Welcome To Koken USA
We are the North American Source of Ko-ken Tools from Japan.
Our parent company, Ko-ken Tools, is a fourth generation family owned and operated business in Japan, with 140+ employees. The focus of the business is entirely on Sockets and Socket wrenches. The entire manufacturing process is in-house at Ko-ken, from design, to cold forging, heat treat and plating.
2022 Ko-ken Catalog
Learn more about our extensive line of sockets, socket accessories, and socket wrenches in our online catalog.
Within the catalog you can sort through out different tool categories: Z-Series, Hand Sockets, Titanium Sockets, Accessories, Screwdrivers, Impact Sockets, Sleeve Drive Sockets, Industrial Sockets, Protector Sockets, Automotive Tools, Construction, and Renewal Kits.