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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  • MA321 SG 606 Falcon Mortise Lock MA321 SG 606 Falcon Mortise Lock
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    MA321 SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $821.00
    $423.77
    The Falcon MA321 is a heavy-duty mortise lock designed for high-traffic commercial environments including offices, hospitals, and educational facilities. Built with cold-formed steel and hardened steel components, it delivers reliable security and...
    Qty in Cart: 0
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    Price:
    MSRP: $821.00
    $423.77
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  • MA301 DG 606 Falcon Mortise Lock MA301 DG 606 Falcon Mortise Lock
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    MA301 DG 606 Falcon Mortise Lock

    Falcon
    MSRP: $822.00
    $424.14
    The Falcon MA301 DG 606 is a commercial mortise lock engineered for offices, hospitals, schools, and other institutional facilities requiring dependable security. Built with cold-formed steel construction and hardened steel components, it withstands...
    Qty in Cart: 0
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    Price:
    MSRP: $822.00
    $424.14
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  • MA641B DN 606 Falcon Mortise Lock MA641B DN 606 Falcon Mortise Lock
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    MA641B DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $964.00
    $476.68
    The Falcon MA641B DN 606 is a commercial mortise lock built for high-traffic office, hospital, and education environments. Its interchangeable core design enables quick re-keying without removing the lock body, while the two-piece stainless steel latch...
    Qty in Cart: 0
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    MSRP: $964.00
    $476.68
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  • MA641CP6 DG 613 Falcon Mortise Lock MA641CP6 DG 613 Falcon Mortise Lock
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    MA641CP6 DG 613 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA641CP6 DG 613 is a commercial-grade mortise lock engineered for high-traffic office, hospital, and educational environments. This dependable lock combines security with durability, featuring a stainless steel latch bolt, anti-friction...
    Qty in Cart: 0
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    MSRP: $934.00
    $465.58
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  • MA371P SG 606 Falcon Mortise Lock MA371P SG 606 Falcon Mortise Lock
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    MA371P SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371P SG 606 is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines security with reliability, featuring a mechanical anti-friction...
    Qty in Cart: 0
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    MSRP: $1,004.00
    $491.48
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  • Falcon MA411CP6 Mortise Lock, Satin Chrome, Interchangeable Core Falcon MA411CP6 Mortise Lock, Satin Chrome, Interchangeable Core
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    Falcon MA411CP6 Mortise Lock, Satin Chrome, Interchangeable Core

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA411CP6 is a commercial-grade mortise lock designed for offices, hospitals, educational facilities, and high-traffic environments. This durable lock combines security with reliability, featuring a stainless steel latch bolt, anti-friction...
    Qty in Cart: 0
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    MSRP: $1,022.00
    $498.14
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  • MA371B QG 630 Falcon Mortise Lock MA371B QG 630 Falcon Mortise Lock
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    MA371B QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371B is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. Its interchangeable core design enables quick re-keying without removing the lock, while the two-piece stainless steel latch and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
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  • MA431L QG 630 Falcon Mortise Lock MA431L QG 630 Falcon Mortise Lock
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    MA431L QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $832.00
    $427.84
    The Falcon MA431L QG is a commercial-grade mortise lock designed for offices, hospitals, educational facilities, and other high-traffic environments. Built tough for constant use, this Series 1000 lock combines reliable security with an interchangeable...
    Qty in Cart: 0
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    MSRP: $832.00
    $427.84
    Subtotal:
  • MA441B DG 626 Falcon Mortise Lock MA441B DG 626 Falcon Mortise Lock
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    MA441B DG 626 Falcon Mortise Lock

    Falcon
    MSRP: $992.00
    $487.04
    The Falcon MA441B DG 626 is a heavy-duty mortise lock built for commercial environments like offices, hospitals, and educational facilities. Its interchangeable core design enables quick re-keying without removing the lock from the door, while the...
    Qty in Cart: 0
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    MSRP: $992.00
    $487.04
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  • Falcon MA521CP6 AG 626 Mortise Lock, Satin Chrome Falcon MA521CP6 AG 626 Mortise Lock, Satin Chrome
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    Falcon MA521CP6 AG 626 Mortise Lock, Satin Chrome

    Falcon
    MSRP: $922.00
    $461.14
    The Falcon MA Series mortise lock delivers affordable, high-performance security for commercial buildings including offices, hospitals, and educational facilities. Built for constant use without fail, this dependable lock features an interchangeable core...
    Qty in Cart: 0
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    Price:
    MSRP: $922.00
    $461.14
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  • MA531CP6 QG 630 Falcon Mortise Lock MA531CP6 QG 630 Falcon Mortise Lock
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    MA531CP6 QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531CP6 QG 630 is a commercial mortise lock engineered for offices, hospitals, schools, and other high-traffic facilities. This durable lock combines security with reliability, featuring a mechanical anti-friction latch bolt and a 1-inch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA521CP6 AG 630 Falcon Mortise Lock MA521CP6 AG 630 Falcon Mortise Lock
    Quick view

    MA521CP6 AG 630 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521CP6 AG 630 is a heavy-duty mortise lock engineered for commercial buildings including offices, hospitals, and educational facilities. Built on Falcon's proven MA Series platform, it delivers dependable security and withstands constant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
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