Ko-ken
Ko-ken is the tool brand of Yamashita Kogyo Kenkyusho. The company specializes in socket wrenches and related hand tools. Its product range includes sockets, ratchets, extensions and tool sets for assembly, maintenance and repair work. Check the drive size and individual model when selecting a tool.
Send the complete model code, quantity and operating conditions when product or sourcing details need to be confirmed.
Main Products
Brand products
Browse the products, models and technical resources connected to this brand profile.
Ko-ken
2257M 1/4-Inch Tool Set
Models2257M
Ko-ken
3285 Metric Socket Tool Set
Models3285
Ko-ken
3400M 3/8-Inch Socket
Models3400M
Ko-ken
RS2300XZ-9 Socket Set
ModelsRS2300XZ-9
Ko-ken
14310M 1/2-Inch Socket
Models14310M
Ko-ken
2440M 1/4-Inch Socket
Models2440M
Ko-ken
6749 3/4-Inch Wrench
Models6749
Ko-ken
4753NB 1/2-Inch Wrench
Models4753NB
Ko-ken
2753ps 1/4-Inch Wrench
Models2753ps
Ko-ken
RS2300MZ/12 Socket Set
ModelsRS2300MZ/12
Ko-ken
13142-F6.3 Impact-Bit Holder
Models13142-F6.3
Categories & Series
Product categories and series
Main product categories
Brand FAQ
Ko-ken sourcing questions
Practical notes for model verification and product inquiries.
What Ko-ken products can I inquire about?
The available range depends on the current product and model information connected to Ko-ken. Send the product name, model code or application so the relevant series can be checked.
How do I verify Ko-ken model codes?
Provide the complete code where possible, together with a nameplate photo, equipment position, quantity and operating conditions. These details reduce the risk of selecting a visually similar but technically different item.
Can I inquire without a complete Ko-ken model?
Yes. A partial code, product photo, dimensions, interface and application can be used to narrow the possible product family before the exact model is confirmed.
How do I submit a product inquiry for Ko-ken?
Use the inquiry form and include the brand, model, quantity and required delivery context. For replacement evaluations, also include the original specification and operating conditions.
Brand Inquiry
Looking for Ko-ken products?
Send the complete model code, quantity and operating conditions for confirmation.