Unbrako

Synonymous with the history of Unbrako Group, the Unbrako brand is over 80 years old and remains the socket screw by which all others are measured. Developed in the 1920s, it rapidly became the socket screw of choice for engineers in the US and Britain. After World War II, the product spread to all worldwide markets and today is recognized as the brand and performance leader in over 25 industrialized countries.