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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  • MA571L QG 613 Falcon Mortise Lock MA571L QG 613 Falcon Mortise Lock
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    MA571L QG 613 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA571L QG 613 is a commercial-grade mortise lock engineered for offices, hospitals, educational facilities, and other high-traffic environments. This heavy-duty lock combines dependable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA381L AG 625 Falcon Mortise Lock MA381L AG 625 Falcon Mortise Lock
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    MA381L AG 625 Falcon Mortise Lock

    Falcon
    MSRP: $994.00
    $487.78
    The Falcon MA381L mortise lock is engineered for high-performance security in commercial settings including offices, hospitals, and educational facilities. This tough, dependable lock withstands...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $994.00
    $487.78
    Subtotal:
  • MA531L SG 606 Falcon Mortise Lock MA531L SG 606 Falcon Mortise Lock
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    MA531L SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA531L SG 606 is a heavy-duty mortise lock built for high-traffic commercial spaces including offices, hospitals, and educational facilities. This durable lock features an interchangeable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA531B SN 605 Falcon Mortise Lock MA531B SN 605 Falcon Mortise Lock
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    MA531B SN 605 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B SN 605 is a commercial mortise lock engineered for offices, hospitals, and educational facilities that demand reliable security and durability. This high-performance lock withstands...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA531B SN 613 Falcon Mortise Lock MA531B SN 613 Falcon Mortise Lock
    Quick view

    MA531B SN 613 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B is a commercial mortise lock built for high-traffic offices, hospitals, schools, and other institutional environments. Its heavy-duty construction withstands constant use while...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • Falcon MA441CP6 DG 625 Mortise Lock, 2-3/4" Backset MA441CP6 DG 625 Falcon Mortise Lock
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    Falcon MA441CP6 DG 625 Mortise Lock, 2-3/4" Backset

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441CP6 is a commercial-grade mortise lock engineered for high-traffic office, hospital, and educational facilities. Built with cold-formed steel, hardened steel hubs, and a mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA571L QG 625 Falcon Mortise Lock MA571L QG 625 Falcon Mortise Lock
    Quick view

    MA571L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA571L mortise lock delivers commercial-grade security for offices, hospitals, schools, and institutional buildings. Built for high-traffic environments, this Series 1000 lock provides...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA571L QG 605 Falcon Mortise Lock MA571L QG 605 Falcon Mortise Lock
    Quick view

    MA571L QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA571L QG 605 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This tough, dependable lock combines security with reliability,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA521L QG 625 Falcon Mortise Lock MA521L QG 625 Falcon Mortise Lock
    Quick view

    MA521L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA521L QG 625 is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. It solves security and durability challenges with a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $834.00
    $428.58
    Subtotal:
  • MA101 AG 605 Falcon Mortise Lock MA101 AG 605 Falcon Mortise Lock
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    MA101 AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $716.00
    $370.89
    The Falcon MA101 AG 605 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This dependable lock combines security with durability, featuring an...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $716.00
    $370.89
    Subtotal:
  • MA531B SG 606 Falcon Mortise Lock MA531B SG 606 Falcon Mortise Lock
    Quick view

    MA531B SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531B SG 606 is a commercial mortise lock designed for offices, hospitals, educational facilities, and high-traffic commercial environments. It combines robust security with dependable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA441L QG 625 Falcon Mortise Lock MA441L QG 625 Falcon Mortise Lock
    Quick view

    MA441L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA441L QG 625 is a commercial mortise lock engineered for offices, hospitals, and educational facilities that demand reliability under constant use. This high-performance lock combines...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
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