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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  • MA371P QG 605 Falcon Mortise Lock MA371P QG 605 Falcon Mortise Lock
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    MA371P QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371P QG 605 is a commercial mortise lock built for high-traffic office, hospital, and educational environments. Its interchangeable core design allows quick re-keying without removing...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA431B SG 606 Falcon Mortise Lock MA431B SG 606 Falcon Mortise Lock
    Quick view

    MA431B SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431B SG 606 is a heavy-duty mortise lock built for high-traffic commercial environments including offices, hospitals, and educational facilities. This dependable lock delivers security...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • Falcon MA321 AG 605 Mortise Lock, Satin Brass Falcon MA321 AG 605 Mortise Lock, Satin Brass
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    Falcon MA321 AG 605 Mortise Lock, Satin Brass

    Falcon
    MSRP: $821.00
    $423.77
    The Falcon MA321 AG 605 is a heavy-duty mortise lock built for commercial environments: offices, hospitals, schools, and institutions requiring reliable security and constant-use durability. Its...
    Qty in Cart: 0
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    Price:
    MSRP: $821.00
    $423.77
    Subtotal:
  • Falcon MA431P DG 606 Mortise Lock, Interchangeable Core Falcon MA431P DG 606 Mortise Lock, Interchangeable Core
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    Falcon MA431P DG 606 Mortise Lock, Interchangeable Core

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431P DG 606 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Built for constant use, this Series 1000 lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • Falcon MA521B Mortise Lock, 2-3/4 in. Backset, Satin Chrome Falcon MA521B Mortise Lock, 2-3/4 in. Backset, Satin Chrome
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    Falcon MA521B Mortise Lock, 2-3/4 in. Backset, Satin Chrome

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521B is a high-performance mortise lock built for commercial environments including offices, hospitals, and educational facilities. It delivers dependable security and durability under...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA371P AG 613 Falcon Mortise Lock MA371P AG 613 Falcon Mortise Lock
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    MA371P AG 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371P AG 613 is a heavy-duty mortise lock designed for high-traffic commercial environments including offices, hospitals, and educational facilities. Built with a cold-formed steel case...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA371P DN 606 Falcon Mortise Lock MA371P DN 606 Falcon Mortise Lock
    Quick view

    MA371P DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA371P DN 606 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. This durable, affordable lock combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA521P AG 625 Falcon Mortise Lock MA521P AG 625 Falcon Mortise Lock
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    MA521P AG 625 Falcon Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521P AG 625 is a mortise lock designed for commercial environments including offices, hospitals, and educational facilities. It delivers dependable security with an interchangeable core...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA371B QG 625 Falcon Mortise Lock MA371B QG 625 Falcon Mortise Lock
    Quick view

    MA371B QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371B QG 625 is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. This tough, dependable lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA521B AN 613 Falcon Mortise Lock MA521B AN 613 Falcon Mortise Lock
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    MA521B AN 613 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA521B mortise lock delivers high-performance security for commercial office, hospital, and education facilities. Built to withstand constant use without fail, this tough, dependable lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA411L QG 625 Falcon Mortise Lock MA411L QG 625 Falcon Mortise Lock
    Quick view

    MA411L QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA411L QG 625 is a commercial mortise lock engineered for high-traffic offices, hospitals, educational facilities, and similar institutions. This durable lock combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA441B QG 613 Falcon Mortise Lock MA441B QG 613 Falcon Mortise Lock
    Quick view

    MA441B QG 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441B QG 613 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable lock combines security with affordability, featuring a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
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