D&D Builders Hardware Co. is a door closer and hardware manufacturer in Taiwan, produces hardware for doors and windows.

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  • Door Lock and Cylinder
    Door Lock and Cylinder

    The door locks require a pocket, which is cut into the door for locks fitted, including deadbolt, deadlatch, hookbolt and mostise lock.


  • Cylinder
    Cylinder

    D&D manufactures mortise cylinders, rim cylinders and european profile cylinders in Taiwan, they are mostly machined from solid bar brass, offer abroad selection of models, providing the flexibility required for numerous application. For some models, material in aluminum or zinc alloy is also available by requested.


  • Sliding Door Mortise Lock
    Sliding Door Mortise Lock
    LM-01

    similar to Adams Rite MS1847 series deadlock


  • Bottom Rail Deadbolt Lock
    Bottom Rail Deadbolt Lock
    LB-01

    similar to Adams Rite MS1861-01 series bottom Rail deadbolt


  • Bottom Rail Lock
    Bottom Rail Lock
    LB-02

    Brass and Zinc alloy version Bottom Rail Lock are available.


  • Bottom Rail Deadbolt Lock
    Bottom Rail Deadbolt Lock
    LB-03

    similar to Adams Rite MS1861-02 series bottom Rail deadbolt


  • Two-Point Deadbolt Lock
    Two-Point Deadbolt Lock
    LB-04

    similar to Adams Rite MS1875 series Two-Point deadlock


  • Standard Duty Deadlatch
    Standard Duty Deadlatch
    LD-01

    Flexibility of traffic control during and after business hours is offered by D&D LD-01 deadlatches. A reverse turn of the key while bolt is held retracted retains the bolt to allow two-way traffic and hold the door open temporarily for hospitals, banks, stores and other buildings which require free entrance at times and exit-only at other times.


  • Deadlock with bolt
    Deadlock with bolt
    LT-01

    The LT-01 deadlock utilizes a huge bolt of five ply laminated steel bolt with concealed hardened steel pin and provides maximum security on any single leaf door, even a very tall and flexible one or an installation where the gap between door and jamb is greater than it should be.


  • Mortise Lock
    Mortise Lock
    LT-02

    Oval Cylinder Mortise Lock


  • Mortise Lock
    Mortise Lock
    LT-03

    similar to Yale Y590, Y591, Y592 Short Backset Mortise Deadlock, A single action bolt with steel case and laminated steel bolt. Available in both 22mm bolt throw and 36mm bolt throw variations. The bolt is positively dogged in both the locked and unlocked position before the key can be withdrawn.


  • Mortise Dead Lock
    Mortise Dead Lock
    LT-05

    The mortise dead lock is prepared for oval cylinder, one turn pushes the brass bolt out to lock the metal frame doors. You can expect the highest quality and dependable security for swing door from this mortise dead lock operated by oval cylinder.


  • Mortise Lock
    Mortise Lock
    LT-06

    European Profile Cylinder Mortise Lock


  • Deadlock with hookbolt
    Deadlock with hookbolt
    LH-01

    The LH-01 deadlock utilizes a hookbolt of five ply laminated steel bolt with concealed hardened steel pin and provides maximum security on any single leaf door, even a very tall and flexible one or an installation where the gap between door and jamb is greater than it should be.


  • Sliding Door Hookbolt Lock
    Sliding Door Hookbolt Lock
    LH-02

    Oval Cylinder, Hook Bolt slding door lock


  • Sliding Door Hookbolt Lock
    Sliding Door Hookbolt Lock
    LH-03

    similar to Yale Y590, Y591, Y592 Short Backset Mortice Sliding Door Lock


  • Security sliding euro cylinder lock with hook bolt
    Security sliding euro cylinder lock with hook bolt
    LH-04

    The security sliding euro cylinder lock with hook bolt fits to hollow metal or wood sliding doors prepared for hardware provides maximum security and ease of installation. The different backsets 25 mm, 30 mm and 40 mm offer adequate clearance for the deep jamb pocket of many commercial and industrial entrances. And the hook bolt is operated by european profile cylinder.


  • Mortise Roller Latch Lock
    Mortise Roller Latch Lock
    LL-06

    The mortise roller latch lock has a non-locking latch operated by a lever handle, it is designed for single leaf metal framed doors with passage function. The mortise roller latch lock has additional locking upwards, integrated plug-in key function, can be operated by european profile cylinders. The mortise roller latch lock has a long lipped striking plate for metal frame doors. Nowaday, the mortise roller latch lock becomes more common in commercial and upmarket residential construction in the U.S., they are widely used in Europe as well.


  • Mortise Latch Lock
    Mortise Latch Lock
    LL-07

    The emergency exit mortise latch lock has a non-locking latch operated by a lever handle, it is designed for single leaf metal framed doors with passage function. The mortise latch lock has additional locking upwards, integrated plug-in key function, can be operated by european profile cylinders. The mortise latch lock has a matching strike plate fitted on the door jamb. Nowaday, the mortise latch becomes more common in commercial and upmarket residential construction in the U.S., they are widely used in Europe as well.


  • Roller Latch Lock
    Roller Latch Lock
    LL-11

    Roller Latch and Lock, Oval Profile Cylinder type.


  • Hook Lock for narrow stiles
    Hook Lock for narrow stiles
    LC-01

    The hook lock is specially designed for sliding doors. The single point lock incorporate advanced security and safety features. The slim design is particularly for narrow stiles.


  • Deadbolt lock for narrow stiles
    Deadbolt lock for narrow stiles
    LC-02

    The deadbolt lock is designed for aluminum-profile swing doors. The single point lock incorporate advanced security and safety features. The slim design is particularly for narrow stiles.


  • Cross-Key Locks
    Cross-Key Locks
    LC-03

    Cross Key Deadbolt Lock


  • Cross Key Deadbolt Lock
    Cross Key Deadbolt Lock
    LC-04

    The security cross key deadbolt door lock is designed for wooden and aluminum residential doors.



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