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.
Requires special tools.
Suitable for medium torque applications.
Application: Window grills, light fixtures in trains and buses, electronic equipment, defence equipment, prisons, hospitals, public signs, security cameras.
Material: Stainless Steel AISI 304.
Size Range: #4(2.9mm) to #14(6.3mm) up to 80mm length
Countersunk (CSK) Head B4K44 – To seat the screws level with the surface. Sits flush without any projection.
Dome Head – For higher torque and clamping force.