As the name states, this has an internal pin within the socket which requires a special insert bit or key wrench to insert & remove. This reduces the risk of tampering by thieves or intruders undoing the screws. This design provides more clamping force.
The Hexalobular TORX inner drive facilitates a more reliable slipless fixing.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance is required.
Application: Solar panels, control panels, light fixtures in trains and buses, defence equipment, prisons, hospitals, public signs, security cameras, Electric Vehicles etc.