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 DG 606 Falcon Mortise Lock MA451L DG 606 Falcon Mortise Lock
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    MA451L DG 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DG 606 is a commercial mortise lock engineered for offices, hospitals, schools, and other high-traffic facilities. Built for durability and security, it handles constant use without...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L DN 625 Falcon Mortise Lock MA451L DN 625 Falcon Mortise Lock
    Quick view

    MA451L DN 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DN 625 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This dependable ANSI/BHMA Series 1000 lock combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L AG 605 Falcon Mortise Lock MA451L AG 605 Falcon Mortise Lock
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    MA451L AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L AG 605 is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. It combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L DN 606 Falcon Mortise Lock MA451L DN 606 Falcon Mortise Lock
    Quick view

    MA451L DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DN 606 is a commercial mortise lock built for offices, hospitals, and educational facilities demanding reliable security and durability. Featuring a two-piece stainless steel latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA451L AN 606 Falcon Mortise Lock MA451L AN 606 Falcon Mortise Lock
    Quick view

    MA451L AN 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L mortise lock delivers reliable security for commercial environments including offices, hospitals, and educational facilities. This heavy-duty lock features a two-piece stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • Falcon MA451L AG 613 Mortise Lock, Satin Stainless Falcon MA451L AG 613 Mortise Lock, Satin Stainless
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    Falcon MA451L AG 613 Mortise Lock, Satin Stainless

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L AG 613 is a commercial-grade mortise lock built for high-traffic offices, hospitals, and educational facilities. This durable, affordable lock delivers reliable security and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA441B DN 605 Falcon Mortise Lock MA441B DN 605 Falcon Mortise Lock
    Quick view

    MA441B DN 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA441B DN 605 mortise lock delivers high-performance security for commercial offices, hospitals, and educational facilities. Built tough for constant use, this Series 1000 lock features an...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA531L SN 625 Falcon Mortise Lock MA531L SN 625 Falcon Mortise Lock
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    MA531L SN 625 Falcon Mortise Lock

    Falcon
    MSRP: $871.00
    $442.27
    The Falcon MA531L is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This dependable lock combines security with durability to...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $871.00
    $442.27
    Subtotal:
  • MA531B QN 625 Falcon Mortise Lock MA531B QN 625 Falcon Mortise Lock
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    MA531B QN 625 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B QN 625 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable, affordable lock combines a mechanical anti-friction latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • Falcon MA381CP6 Mortise Lock, Left Hand, 613 Finish Falcon MA381CP6 Mortise Lock, Left Hand, 613 Finish
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    Falcon MA381CP6 Mortise Lock, Left Hand, 613 Finish

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381CP6 is a heavy-duty mortise lock designed for commercial applications including offices, hospitals, and educational facilities. It combines reliable security with durability to handle...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA531L SG 625 Falcon Mortise Lock MA531L SG 625 Falcon Mortise Lock
    Quick view

    MA531L SG 625 Falcon Mortise Lock

    Falcon
    MSRP: $841.00
    $431.17
    The Falcon MA531L SG mortise lock is a high-performance, commercial-grade lock designed for offices, hospitals, educational facilities, and other demanding environments. Built to withstand constant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $841.00
    $431.17
    Subtotal:
  • MA531B DN 625 Falcon Mortise Lock MA531B DN 625 Falcon Mortise Lock
    Quick view

    MA531B DN 625 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B DN 625 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This heavy-duty lock combines security with durability, featuring a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
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