The Index TEX screws of diameters 6, 8 and 10 are screws made of hardened carbon steel with a corrosion protection according to annex B and an antifriction coating. The overall length of the screw is ranging from 40 to 450 mm.

Screws are designed to resist to static and quasi-static loads and are used for connections in load bearing timber structures between wood- based members or between those members and steel member, as well as wood-based panels to the timber members mentioned above as stated in the ETA.