As the name states, this has an internal pin within the hexagonal 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.
Due to its 2-way reusable fixing capability, this is a useful security screw where maintenance is required.
Unique internal pin system.
Re-usable. Useful for maintenance.
Requires special tools.
Suitable for medium torque applications.
Window grills, light fixtures in trains and buses, electronic equipment, defence equipment, prisons, hospitals, public signs, playgrounds, control panels, security cameras.
Material: Stainless Steel AISI 304.
Size Range: M3 to M10 up to 80mm length.
Button Head/Truss Head/Dome Head
For higher torque and clamping force.
Countersunk (CSK) Head
For Flush level fixing.