SPRANGA fixed locking bar
Viro locking bars provide excellent protection and can be installed on standard doors to make them almost totally attack- resistant.
consists of 3 mm thick bronze colour painted steel external cover, bent into a U shape, and 1.5 mm thick steel cover. 3 mm thick steel heads welded to the cover to further increase safety.
35x10 mm solid steel with no joints. Single throw dead-bolts with 8.5 cm projection.
solid brass, fixed internal cylinder, 55 mm fixed external cylinder, 7 pins. case-hardened, tempered, copper and nickel-plated steel, () .
nickel-plated brass, supplied with (item 037).
- the pulling ratio is calculated in order to obtain 8.5 cm dead-bolt expansion with just one turn of the key;
- brass pins;
- mushroom brass counterpins, ;
- phosphor bronze pin springs.
- Supplied with:
steel strikers with clamps to be walled and fixing screws.
Personalized single box.
- On request:
- Standard length locking bar with armoured external cylinder with special dimensions (70, 80, 90 mm);