Mortise Lock

A mortise lock fits into a deep pocket cut into the door edge, rather than through a round bore like a cylindrical lockset. That construction is why mortise locks are the standard for commercial buildings, schools, and apartment entries: the heavy cast or steel lock body withstands decades of high traffic, integrates deadbolt and latch in one unit, and offers far more functions (entry, classroom, storeroom, privacy, passage) than a cylindrical lock.

When choosing a mortise lock, start with the function you need on that door. An office function locks from outside while always allowing free egress. A storeroom function is always locked outside. An entrance function adds a deadbolt for after-hours security. Then confirm handing (left or right hand, regular or reverse bevel), backset, and whether you need it keyed into an existing system. Most of the mortise locks we sell accept standard or high-security cylinders, so you can upgrade key control without changing the lock body.

We carry Grade 1 commercial mortise locks from Marks USA, Sargent, Corbin Russwin, Yale, and others, including ornamental and storm-door mortise locks if your application is a gate or security screen door. If you're replacing an old mortise lock, send us a photo and measurements and we'll match it.

Mortise Lock

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  • MA571P DN 613 Falcon Mortise Lock MA571P DN 613 Falcon Mortise Lock
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    MA571P DN 613 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA571P DN 613 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Its two-piece stainless steel latch and 1-inch dead bolt with saw-resistant rollers deliver dependable...
    Qty in Cart: 0
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    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA561B AN 613 Falcon Mortise Lock MA561B AN 613 Falcon Mortise Lock
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    MA561B AN 613 Falcon Mortise Lock

    Falcon
    MSRP: $943.00
    $468.91
    The Falcon MA561B mortise lock delivers high-performance security for commercial applications including offices, hospitals, and educational facilities. Engineered for durability, this Series 1000 lock withstands constant use without fail and features an...
    Qty in Cart: 0
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    MSRP: $943.00
    $468.91
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  • MA431B AG 605 Falcon Mortise Lock MA431B AG 605 Falcon Mortise Lock
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    MA431B AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431B AG 605 is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This dependable lock combines security with durability to handle constant daily use without failure,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • MA381P SG 605 RH Falcon Mortise Lock MA381P SG 605 RH Falcon Mortise Lock
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    MA381P SG 605 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381P is a high-performance mortise lock designed for commercial buildings including offices, hospitals, and educational facilities. This tough, dependable lock provides reliable security for constant-use environments and features an...
    Qty in Cart: 0
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    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA561L SG 606 Falcon Mortise Lock MA561L SG 606 Falcon Mortise Lock
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    MA561L SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $814.00
    $421.18
    The Falcon MA561L SG 606 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. This heavy-duty lock combines security with durability, featuring a two-piece stainless steel latch bolt, a 1...
    Qty in Cart: 0
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    MSRP: $814.00
    $421.18
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  • MA521L SG 606 Falcon Mortise Lock MA521L SG 606 Falcon Mortise Lock
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    MA521L SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA521L SG mortise lock delivers high-performance security for commercial offices, hospitals, educational facilities, and institutional buildings. Built for constant use without failure, this tough, dependable lock features a mechanical...
    Qty in Cart: 0
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    Price:
    MSRP: $834.00
    $428.58
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  • MA521B QG 605 Falcon Mortise Lock MA521B QG 605 Falcon Mortise Lock
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    MA521B QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521B QG 605 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This dependable lock combines security with durability, featuring a two-piece stainless steel latch bolt, 1-inch throw...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA441P QG 625 Falcon Mortise Lock MA441P QG 625 Falcon Mortise Lock
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    MA441P QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441P QG 625 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. It delivers dependable security and durability through a cold-formed steel case, hardened steel components, and a mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA561B DG 613 Falcon Mortise Lock MA561B DG 613 Falcon Mortise Lock
    Quick view

    MA561B DG 613 Falcon Mortise Lock

    Falcon
    MSRP: $914.00
    $458.18
    The Falcon MA561B DG 613 is a commercial-grade mortise lock engineered for offices, hospitals, schools, and institutional facilities requiring reliable security and durability. Built to withstand heavy daily use, it combines a mechanical anti-friction...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $914.00
    $458.18
    Subtotal:
  • MA431B QG 605 Falcon Mortise Lock MA431B QG 605 Falcon Mortise Lock
    Quick view

    MA431B QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431B QG 605 is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines security with reliability, featuring a mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • MA431L DG 613 Falcon Mortise Lock MA431L DG 613 Falcon Mortise Lock
    Quick view

    MA431L DG 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431L DG 613 is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. It combines reliable security with interchangeable core technology for quick re-keying, making it ideal...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • TP70T S 625 Falcon Mortise Lock TP70T S 625 Falcon Mortise Lock
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    TP70T S 625 Falcon Mortise Lock

    Falcon
    MSRP: $567.00
    $293.71
    The Falcon TP70T S 625 is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. This MA Series lock combines security with reliability, featuring a two-piece stainless steel latch bolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $567.00
    $293.71
    Subtotal:
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