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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  • MA431L DN 606 Falcon Mortise Lock MA431L DN 606 Falcon Mortise Lock
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    MA431L DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $862.00
    $438.94
    The Falcon MA431L DN 606 is a heavy-duty mortise lock engineered for commercial environments like offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines security with reliability, featuring a stainless steel latch bolt,...
    Qty in Cart: 0
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    Price:
    MSRP: $862.00
    $438.94
    Subtotal:
  • MA571L QN 605 Falcon Mortise Lock MA571L QN 605 Falcon Mortise Lock
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    MA571L QN 605 Falcon Mortise Lock

    Falcon
    MSRP: $871.00
    $442.27
    The Falcon MA571L is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Built on Falcon's proven MA Series platform, it delivers dependable security and withstands constant daily use...
    Qty in Cart: 0
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    MSRP: $871.00
    $442.27
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  • Falcon MA571B AN 606 Mortise Lock, 2-3/4" Backset MA571B AN 606 Falcon Mortise Lock
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    Falcon MA571B AN 606 Mortise Lock, 2-3/4" Backset

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA571B mortise lock delivers high-performance security for commercial office, hospital, education, and institutional doors. Built for constant use, this Series 1000 lock features a two-piece stainless steel latch bolt with mechanical...
    Qty in Cart: 0
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    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA571P AN 605 Falcon Mortise Lock MA571P AN 605 Falcon Mortise Lock
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    MA571P AN 605 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA571P AN 605 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This high-performance lock combines security with durability to handle constant use without fail,...
    Qty in Cart: 0
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    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA381L SG 606 Falcon Mortise Lock MA381L SG 606 Falcon Mortise Lock
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    MA381L SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $994.00
    $487.78
    The Falcon MA381L SG 606 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable lock combines security with reliability, featuring an interchangeable core (SFIC compatible) for quick re-keying...
    Qty in Cart: 0
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    MSRP: $994.00
    $487.78
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  • MA411B SG 605 Falcon Mortise Lock MA411B SG 605 Falcon Mortise Lock
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    MA411B SG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411B SG 605 is a commercial mortise lock designed for offices, hospitals, educational facilities, and high-traffic environments. This ANSI/BHMA Series 1000 lock combines security with durability, featuring a mechanical anti-friction latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
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  • MA561L SN 613 Falcon Mortise Lock MA561L SN 613 Falcon Mortise Lock
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    MA561L SN 613 Falcon Mortise Lock

    Falcon
    MSRP: $843.00
    $431.91
    The Falcon MA561L SN 613 is a commercial mortise lock built for offices, hospitals, and educational facilities that demand durability and security. Its interchangeable core design enables quick re-keying without removing the lock, while the two-piece...
    Qty in Cart: 0
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    Price:
    MSRP: $843.00
    $431.91
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  • MA441P DG 613 Falcon Mortise Lock MA441P DG 613 Falcon Mortise Lock
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    MA441P DG 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441P is a commercial mortise lock designed for office, hospital, education and institutional facilities requiring reliable security and durability. Built as one of Falcon's toughest performers, this Series 1000 lock withstands constant use...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA561B DG 605 Falcon Mortise Lock MA561B DG 605 Falcon Mortise Lock
    Quick view

    MA561B DG 605 Falcon Mortise Lock

    Falcon
    MSRP: $914.00
    $458.18
    The Falcon MA561B DG 605 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This dependable ANSI/BHMA Series 1000 lock combines security with durability, featuring a two-piece...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $914.00
    $458.18
    Subtotal:
  • MA521L SG 613 Falcon Mortise Lock MA521L SG 613 Falcon Mortise Lock
    Quick view

    MA521L SG 613 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA521L mortise lock delivers high-performance security for commercial environments including offices, hospitals, and educational facilities. Built to withstand constant use without fail, this Series 1000 lock features an interchangeable core...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA521L QN 605 Falcon Mortise Lock MA521L QN 605 Falcon Mortise Lock
    Quick view

    MA521L QN 605 Falcon Mortise Lock

    Falcon
    MSRP: $852.00
    $435.24
    The Falcon MA521L QN 605 is a commercial-grade mortise lock engineered for offices, hospitals, schools, and other high-traffic facilities. Built on Falcon's reputation for durability, this Series 1000 lock combines security with dependability, featuring...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $852.00
    $435.24
    Subtotal:
  • MA521P SG 613 Falcon Mortise Lock MA521P SG 613 Falcon Mortise Lock
    Quick view

    MA521P SG 613 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA521P SG 613 mortise lock is a heavy-duty commercial locking solution designed for offices, hospitals, educational facilities, and other high-traffic environments. This durable lock combines security with reliability, featuring a tough...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
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