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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  • MA541B DG 606 Falcon Mortise Lock MA541B DG 606 Falcon Mortise Lock
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    MA541B DG 606 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA541B is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. It combines security with reliability, featuring a two-piece stainless steel latch bolt, a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA451L QG 625 Falcon Mortise Lock MA451L QG 625 Falcon Mortise Lock
    Quick view

    MA451L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L QG is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This heavy-duty lock combines security with reliability, featuring a mechanical anti-friction latch bolt and a 1-inch throw dead...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L AN 605 Falcon Mortise Lock MA451L AN 605 Falcon Mortise Lock
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    MA451L AN 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L AN 605 is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines a mechanical anti-friction latch with a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L DN 605 Falcon Mortise Lock MA451L DN 605 Falcon Mortise Lock
    Quick view

    MA451L DN 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DN 605 is a commercial-grade mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. This durable lock combines security with dependability, featuring a two-piece stainless steel latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA561P QG 613 Falcon Mortise Lock MA561P QG 613 Falcon Mortise Lock
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    MA561P QG 613 Falcon Mortise Lock

    Falcon
    MSRP: $914.00
    $458.18
    The Falcon MA561P QG mortise lock delivers high performance and reliability for commercial environments including offices, hospitals, and educational facilities. Built to withstand constant daily use, this tough lock features an interchangeable core for...
    Qty in Cart: 0
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    Price:
    MSRP: $914.00
    $458.18
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  • MA431B SG 605 Falcon Mortise Lock MA431B SG 605 Falcon Mortise Lock
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    MA431B SG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431B SG mortise lock is a high-performance commercial lock engineered for offices, hospitals, educational facilities, and similar environments. Built for durability and reliability, it combines security with resistance to constant daily use...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
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  • MA541L QG 613 Falcon Mortise Lock MA541L QG 613 Falcon Mortise Lock
    Quick view

    MA541L QG 613 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA541L QG 613 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Built to withstand constant use without fail, this lock combines security with reliability, featuring a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA451L DG 625 Falcon Mortise Lock MA451L DG 625 Falcon Mortise Lock
    Quick view

    MA451L DG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DG 625 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments requiring reliable security. This ANSI/BHMA Series 1000 lock combines durability with affordability, featuring...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA571L AG 605 Falcon Mortise Lock MA571L AG 605 Falcon Mortise Lock
    Quick view

    MA571L AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA571L AG 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 lock withstands constant use without compromise. The...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • Falcon MA531CP6 Mortise Lock, Satin Stainless Steel Falcon MA531CP6 Mortise Lock, Satin Stainless Steel
    Quick view

    Falcon MA531CP6 Mortise Lock, Satin Stainless Steel

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA531CP6 is a commercial-grade mortise lock engineered for high-traffic office, hospital, and educational facilities. This dependable lock combines a mechanical anti-friction latch with a saw-resistant deadbolt roller to deliver security and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA541B DG 613 Falcon Mortise Lock MA541B DG 613 Falcon Mortise Lock
    Quick view

    MA541B DG 613 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA541B DG 613 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable ANSI/BHMA Series 1000 lock features a mechanical anti-friction latch, saw-resistant dead bolt, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA381P AG 605 RH Falcon Mortise Lock MA381P AG 605 RH Falcon Mortise Lock
    Quick view

    MA381P AG 605 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381P AG mortise lock delivers dependable security for commercial buildings including offices, hospitals, and educational facilities. This heavy-duty lock withstands constant daily use with its cold-formed steel case, hardened steel hubs, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
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