VIRO-ITALY METAL FRAME+ RD CYL dead latch 8517
Frame:
with 3 mm thick front plate and galvanized steel case.
Dead-bolt/Hookbolt:
securely riveted laminated steel.
Mechanism:
counterbalancing and self-reinforcing if the dead-bolt is hit with a hammer (or similar tool);
suitable for round cylinders for hinged doors (8500 series);
suitable for round cylinders for sliding and hinged doors (items 8513 and 8514).
Coverplate and striking plate:
not supplied with the lock, but can be ordered separately.
Packaging:
single box.
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