The HEX drive system was patented in Germany in 1936 and is widely used around the world due to its snug fit. HEX drive fasteners have become more popular in recent years and are used widely in the installation of Solar Panels.
HEX drive screwdriver bit packaging is identified with a blue HEX drive icon similar to the one on this page.
DURUM HEX drive bits have been specially designed for a tight fit with market leading HEX drive fasteners and tested extensively to ensure that they are much more durable than competitive bits, lasting up to 25X longer, and delivering More Torque to the Tip.