Press

Koken Surface Drive

Koken Surface Drive

Mar 2nd 2021

Posted by Jim Chase

Surface drive sockets are designed to retain contact with flat sides of nut to transmit high torque and reduce nut wear. These sockets are ideal for use on polished nuts, aluminum nuts and nuts

Z-Series Ratchet Repair

Z-Series Ratchet Repair

Jan 11th 2021

Posted by Jim Chase

The Z-Series Ratchets can be repaired with Ko-ken Original Renew Kits We recommend using a Ko-ken screwdriver to repair our ratchets  

The New Koken 72 Tooth Ratchets

The New Koken 72 Tooth Ratchets

Jan 10th 2021

Posted by Jim Chase

Ko-ken ratchets are known for their very low backlash, small head sizes, and high torque ranges. We designed the new 72 tooth ratchet without compromising on our traditional strengths. The patent