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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  • Falcon MA541B QN 606 Mortise Lock, Satin Brass MA541B QN 606 Falcon Mortise Lock
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    Falcon MA541B QN 606 Mortise Lock, Satin Brass

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA541B mortise lock delivers commercial-grade security and reliability for offices, hospitals, educational facilities, and other high-traffic environments. Built with a cold-formed steel case, stainless steel latch and deadbolt with...
    Qty in Cart: 0
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    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA641B AG 613 Falcon Mortise Lock MA641B AG 613 Falcon Mortise Lock
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    MA641B AG 613 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA641B AG 613 is a commercial mortise lock designed for offices, hospitals, education facilities, and high-traffic commercial environments. This heavy-duty lock combines security with durability, featuring a two-piece stainless steel latch...
    Qty in Cart: 0
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    MSRP: $934.00
    $465.58
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  • MA441P SG 613 Falcon Mortise Lock MA441P SG 613 Falcon Mortise Lock
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    MA441P SG 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441P SG mortise lock is a high-performance, affordable security solution for commercial environments including offices, hospitals, and educational facilities. Built for constant use, this durable lock features an interchangeable core for...
    Qty in Cart: 0
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    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA641P QN 613 Falcon Mortise Lock MA641P QN 613 Falcon Mortise Lock
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    MA641P QN 613 Falcon Mortise Lock

    Falcon
    MSRP: $964.00
    $476.68
    The Falcon MA641P QN 613 is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. This interchangeable core lock combines security with ease of maintenance, making it ideal for facilities...
    Qty in Cart: 0
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    MSRP: $964.00
    $476.68
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  • Falcon MA931L 605 Mortise Lock, Satin Chrome MA931L 605 Falcon Mortise Lock
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    Falcon MA931L 605 Mortise Lock, Satin Chrome

    Falcon
    MSRP: $561.00
    $290.60
    The Falcon MA931L 605 is a heavy-duty mortise lock built for high-traffic commercial environments including offices, hospitals, and educational facilities. Engineered for dependability, this Series 1000 lock combines a mechanical anti-friction latch,...
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    MSRP: $561.00
    $290.60
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  • MA571L QG 606 Falcon Mortise Lock MA571L QG 606 Falcon Mortise Lock
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    MA571L QG 606 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA571L QG 606 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable ANSI/BHMA Series 1000 lock combines a stainless steel latch and deadbolt with saw-resistant rollers and...
    Qty in Cart: 0
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    MSRP: $841.00
    $431.17
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  • MA531B AN 605 Falcon Mortise Lock MA531B AN 605 Falcon Mortise Lock
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    MA531B AN 605 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B mortise lock delivers high-performance security for commercial offices, hospitals, educational facilities, and institutional buildings. Built for constant use, this tough, dependable lock features an interchangeable core for quick...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA931B 625 Falcon Mortise Lock MA931B 625 Falcon Mortise Lock
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    MA931B 625 Falcon Mortise Lock

    Falcon
    MSRP: $761.00
    $394.20
    The Falcon MA931B 625 is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. Featuring a mechanical anti-friction latch and saw-resistant roller dead bolt, this lock delivers security and...
    Qty in Cart: 0
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    Price:
    MSRP: $761.00
    $394.20
    Subtotal:
  • MA521L SN 613 Falcon Mortise Lock MA521L SN 613 Falcon Mortise Lock
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    MA521L SN 613 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA521L is a commercial mortise lock built for offices, hospitals, schools and high-traffic facilities. Its interchangeable core design enables quick re-keying without removing the lock, while the heavy-duty stainless steel latch and deadbolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
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  • MA431P AG 625 Falcon Mortise Lock MA431P AG 625 Falcon Mortise Lock
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    MA431P AG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431P AG 625 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This ANSI/BHMA Series 1000 lock combines security with durability, featuring a stainless steel latch and dead bolt with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
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  • MA641L SN 625 Falcon Mortise Lock MA641L SN 625 Falcon Mortise Lock
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    MA641L SN 625 Falcon Mortise Lock

    Falcon
    MSRP: $864.00
    $439.68
    The Falcon MA641L is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. It combines security with reliability for doors experiencing constant use, featuring a two-piece stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $864.00
    $439.68
    Subtotal:
  • MA411P QG 625 Falcon Mortise Lock MA411P QG 625 Falcon Mortise Lock
    Quick view

    MA411P QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411P QG is a commercial mortise lock engineered for offices, hospitals, schools, and other high-traffic facilities. Built on decades of Allegion engineering, it delivers dependable security and durability through constant use without fail,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
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