Specification of 888-1 model anti-burglar door lock
Product functions:
Cross key structure is adopted for the lock that the power grade is high. Besides, technical open prevention function is designed.
Quenching treatment is adopted for the cover of the lock head. Besides, drill-prevention chip with quenching treatment is mounted in the lock head. So, the lock has the function of drill-prevention.
After the tilted bolt spreads, a small rotary knob can lock it. Then, the door even can't be opened with the key outdoors, which acts as the safety function.
Drawing:(Picture)--Click to open.
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