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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  • MA451L QG 626 Falcon Mortise Lock MA451L QG 626 Falcon Mortise Lock
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    MA451L QG 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,062.00
    $512.94
    The Falcon MA451L is a commercial mortise lock built for high-traffic offices, hospitals, and educational facilities. This dependable lock combines security with durability, featuring a two-piece stainless steel latch bolt, a 1-inch throw deadbolt with...
    Qty in Cart: 0
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    Price:
    MSRP: $1,062.00
    $512.94
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  • MA531P AN 630 Falcon Mortise Lock MA531P AN 630 Falcon Mortise Lock
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    MA531P AN 630 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531P mortise lock delivers dependable security for commercial buildings including offices, hospitals, and educational facilities. This heavy-duty lock features a two-piece stainless steel latch bolt with mechanical anti-friction design and a...
    Qty in Cart: 0
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    MSRP: $971.00
    $479.27
    Subtotal:
  • MA451L SN 626 Falcon Mortise Lock MA451L SN 626 Falcon Mortise Lock
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    MA451L SN 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,062.00
    $512.94
    The Falcon MA451L mortise lock delivers high-performance security for commercial offices, hospitals, and educational facilities. Built tough for constant use, this Series 1000 lock combines dependable operation with an interchangeable core (SFIC) design...
    Qty in Cart: 0
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    Price:
    MSRP: $1,062.00
    $512.94
    Subtotal:
  • MA411B QG 630 Falcon Mortise Lock MA411B QG 630 Falcon Mortise Lock
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    MA411B QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411B is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. This durable lock combines a mechanical anti-friction latch with a saw-resistant roller deadbolt, delivering dependable security...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA521L QG 626 Falcon Mortise Lock MA521L QG 626 Falcon Mortise Lock
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    MA521L QG 626 Falcon Mortise Lock

    Falcon
    MSRP: $822.00
    $424.14
    The Falcon MA521L QG mortise lock delivers high-performance security for commercial office, hospital, and education environments. Built tough for constant use, this ANSI/BHMA Series 1000 lock features a 1-inch stainless steel deadbolt with saw-resistant...
    Qty in Cart: 0
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    Price:
    MSRP: $822.00
    $424.14
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  • MA531B SG 630 Falcon Mortise Lock MA531B SG 630 Falcon Mortise Lock
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    MA531B SG 630 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531B is a high-performance mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This durable lock features an interchangeable core for quick re-keying, a mechanical anti-friction latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA521B DN 630 Falcon Mortise Lock MA521B DN 630 Falcon Mortise Lock
    Quick view

    MA521B DN 630 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521B DN 630 is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This durable lock features an interchangeable core for quick re-keying, a mechanical anti-friction latch,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
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  • Falcon MA441CP6 Mortise Lock, Satin Nickel, Interchangeable Core Falcon MA441CP6 Mortise Lock, Satin Nickel, Interchangeable Core
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    Falcon MA441CP6 Mortise Lock, Satin Nickel, Interchangeable Core

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA441CP6 is a commercial-grade mortise lock engineered for high-traffic office, hospital, and educational facilities. Its interchangeable core (SFIC-compatible) enables fast re-keying without removing the lock body, while a mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,022.00
    $498.14
    Subtotal:
  • MA371P QG 630 Falcon Mortise Lock MA371P QG 630 Falcon Mortise Lock
    Quick view

    MA371P QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371P QG 630 is a commercial-grade mortise lock built for high-traffic office, hospital, and educational environments. It delivers dependable security and durability with an interchangeable SFIC core that enables quick re-keying without...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA411L DG 630 Falcon Mortise Lock MA411L DG 630 Falcon Mortise Lock
    Quick view

    MA411L DG 630 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA411L is a heavy-duty mortise lock engineered for commercial environments including 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
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA381P DN 626 LH Falcon Mortise Lock MA381P DN 626 LH Falcon Mortise Lock
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    MA381P DN 626 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA381P is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This reliable lock combines security with dependability, featuring an interchangeable core for quick re-keying...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,022.00
    $498.14
    Subtotal:
  • MA411B AN 626 Falcon Mortise Lock MA411B AN 626 Falcon Mortise Lock
    Quick view

    MA411B AN 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA411B AN 626 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. It delivers dependable security and durability for high-traffic applications, featuring a mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,022.00
    $498.14
    Subtotal:
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