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Concealed door lock is can be made of different materials, including stainless steel, aluminium, zinc alloy, fibreglass, iron, etc, with surface treatment like polished, powder coated & brushed. It is used as hidden or concealed locks for main door and window locks.
Posted by Tradeindia user (07-08-2020)
A concealed door lock can be categorized on the basis of design and locking technique. Design includes tube lock, bolt latch folding pull ring, dumbbell, etc. Locking techniques include electronic touch pad, secret code, card access etc.