Various finishes available:
Snake Eyes®, Torx® Pin, Phillips Pin, One way etc.
Various screw heads available:
Pan head, Round countersunk, flat countersunk etc.
Security screws offer protection against vandalism, theft, dismantling, and are corrossion resitant. Nestinox also supplies (dis)assemble tools.
Stainless Steel Hexagonal Break-off nuts:
When tightened the hexagonal head "breaks off" and cannot be removed by pliers or a similar tool.
Pin plug hexagonal stainless steel:
After the screw has been screwd with a standard tool a stainless steel pinplug inserted into the hexagonal recess and when lightly tapped home with a hammer, the screw is secured.