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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  • MA381B DN 613 RH Falcon Mortise Lock MA381B DN 613 RH Falcon Mortise Lock
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    MA381B DN 613 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA381B is a heavy-duty mortise lock built for high-traffic commercial environments including offices, hospitals, and educational facilities. Featuring a two-piece stainless steel latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA371L QG 625 Falcon Mortise Lock MA371L QG 625 Falcon Mortise Lock
    Quick view

    MA371L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA371L QG 625 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This dependable lock combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA431P QG 606 Falcon Mortise Lock MA431P QG 606 Falcon Mortise Lock
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    MA431P QG 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431P mortise lock is a heavy-duty commercial security solution designed for offices, hospitals, and educational facilities. This dependable lock combines an interchangeable SFIC core for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • MA381P DG 606 LH Falcon Mortise Lock MA381P DG 606 LH Falcon Mortise Lock
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    MA381P DG 606 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381P is a commercial mortise lock designed for offices, hospitals, educational facilities, and high-traffic environments. This heavy-duty lock combines security with durability,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA531B QG 605 Falcon Mortise Lock MA531B QG 605 Falcon Mortise Lock
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    MA531B QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531B QG 605 mortise lock delivers high-performance security for commercial offices, hospitals, educational facilities, and other institutional buildings. Built for constant use, this...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA431P QG 605 Falcon Mortise Lock MA431P QG 605 Falcon Mortise Lock
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    MA431P QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431P QG 605 is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. This dependable lock combines security with durability, featuring an...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • MA531B SG 613 Falcon Mortise Lock MA531B SG 613 Falcon Mortise Lock
    Quick view

    MA531B SG 613 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531B is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. Built with cold-formed steel and hardened steel components, this durable lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA521B AN 606 Falcon Mortise Lock MA521B AN 606 Falcon Mortise Lock
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    MA521B AN 606 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521B mortise lock is a high-performance, affordable security solution for commercial buildings including offices, hospitals, and educational facilities. Built tough for constant use,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA431L AG 605 Falcon Mortise Lock MA431L AG 605 Falcon Mortise Lock
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    MA431L AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $832.00
    $427.84
    The Falcon MA431L AG 605 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $832.00
    $427.84
    Subtotal:
  • Falcon MA441CP6 SG 605 Mortise Lock, 605 Finish Falcon MA441CP6 SG 605 Mortise Lock, 605 Finish
    Quick view

    Falcon MA441CP6 SG 605 Mortise Lock, 605 Finish

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA Series mortise lock delivers dependable security for commercial office, hospital, and education facilities. This heavy-duty lock handles constant use without fail, featuring a two-piece...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • Falcon MA441CP6 SG 625 Mortise Lock, Satin Chrome MA441CP6 SG 625 Falcon Mortise Lock
    Quick view

    Falcon MA441CP6 SG 625 Mortise Lock, Satin Chrome

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA Series mortise lock combines high performance with affordability for commercial applications including offices, hospitals, and educational facilities. This heavy-duty lock features a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA381P SG 605 LH Falcon Mortise Lock MA381P SG 605 LH Falcon Mortise Lock
    Quick view

    MA381P SG 605 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381P mortise lock is a heavy-duty commercial security solution designed for offices, hospitals, and educational facilities. It delivers dependable performance with an interchangeable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
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