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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  • MA641B SG 606 Falcon Mortise Lock MA641B SG 606 Falcon Mortise Lock
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    MA641B SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA641B SG 606 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable, interchangeable-core lock combines security with ease of maintenance, solving the cost and convenience...
    Qty in Cart: 0
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    Price:
    MSRP: $934.00
    $465.58
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  • MA371B DN 613 Falcon Mortise Lock MA371B DN 613 Falcon Mortise Lock
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    MA371B DN 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA371B DN 613 is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. This dependable lock combines security with durability to withstand constant use, featuring a two-piece...
    Qty in Cart: 0
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    Price:
    MSRP: $1,034.00
    $502.58
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  • MA641L QG 606 Falcon Mortise Lock MA641L QG 606 Falcon Mortise Lock
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    MA641L QG 606 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA641L QG 606 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable, affordable lock features an interchangeable core for quick re-keying, a mechanical anti-friction latch, and a...
    Qty in Cart: 0
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    Price:
    MSRP: $834.00
    $428.58
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  • MA621B AN 625 Falcon Mortise Lock MA621B AN 625 Falcon Mortise Lock
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    MA621B AN 625 Falcon Mortise Lock

    Falcon
    MSRP: $964.00
    $476.68
    The Falcon MA621B AN 625 is a commercial mortise lock built for offices, hospitals, schools, and other high-traffic environments where dependable security and durability matter. It delivers reliable performance at an affordable price, with heavy-duty...
    Qty in Cart: 0
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    MSRP: $964.00
    $476.68
    Subtotal:
  • MA371L DG 605 Falcon Mortise Lock MA371L DG 605 Falcon Mortise Lock
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    MA371L DG 605 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA371L DG mortise lock is a high-performance commercial solution for offices, hospitals, and educational facilities. Built for durability and constant use, this interchangeable core lock combines security with easy field re-keying. The...
    Qty in Cart: 0
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    MSRP: $804.00
    $416.47
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  • MA101 DN 625 Falcon Mortise Lock MA101 DN 625 Falcon Mortise Lock
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    MA101 DN 625 Falcon Mortise Lock

    Falcon
    MSRP: $746.00
    $386.43
    The Falcon MA101 DN 625 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. It combines security with durability, featuring a two-piece stainless steel latch bolt with mechanical...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $746.00
    $386.43
    Subtotal:
  • MA621B DN 606 Falcon Mortise Lock MA621B DN 606 Falcon Mortise Lock
    Quick view

    MA621B DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $964.00
    $476.68
    The Falcon MA621B DN 606 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This heavy-duty lock combines security with durability, featuring a two-piece stainless steel latch bolt, 1-inch dead bolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $476.68
    Subtotal:
  • MA301 QG 625 Falcon Mortise Lock MA301 QG 625 Falcon Mortise Lock
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    MA301 QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $822.00
    $424.14
    The Falcon MA301 QG mortise lock is a heavy-duty commercial solution for offices, hospitals, and educational facilities requiring reliable security and durability. This ANSI/BHMA Series 1000 certified lock features a two-piece stainless steel latch,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $822.00
    $424.14
    Subtotal:
  • Falcon MA101 DN 613 Mortise Lock Falcon MA101 DN 613 Mortise Lock
    Quick view

    Falcon MA101 DN 613 Mortise Lock

    Falcon
    MSRP: $746.00
    $386.43
    The Falcon MA101 DN 613 is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines security with reliability, featuring a stainless steel latch bolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $746.00
    $386.43
    Subtotal:
  • MA321 DN 605 Falcon Mortise Lock MA321 DN 605 Falcon Mortise Lock
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    MA321 DN 605 Falcon Mortise Lock

    Falcon
    MSRP: $851.00
    $434.87
    The Falcon MA321 DN 605 is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. This ANSI/BHMA Series 1000 lock combines security with dependability, featuring a two-piece stainless steel latch bolt and a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $851.00
    $434.87
    Subtotal:
  • TP70T S 605 Falcon Mortise Lock TP70T S 605 Falcon Mortise Lock
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    TP70T S 605 Falcon Mortise Lock

    Falcon
    MSRP: $567.00
    $293.71
    The Falcon TP70T S 605 is a heavy-duty mortise lock built for high-traffic commercial environments including offices, hospitals, and educational facilities. Engineered for constant use without fail, this MA Series lock combines security with reliability,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $567.00
    $293.71
    Subtotal:
  • MA301 QG 605 Falcon Mortise Lock MA301 QG 605 Falcon Mortise Lock
    Quick view

    MA301 QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $822.00
    $424.14
    The Falcon MA301 QG 605 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Built on the proven MA Series platform, this lock combines security with reliability to withstand...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $822.00
    $424.14
    Subtotal:
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