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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  • MA441L DG 630 Falcon Mortise Lock MA441L DG 630 Falcon Mortise Lock
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    MA441L DG 630 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA441L is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This heavy-duty lock combines a mechanical anti-friction latch, saw-resistant roller deadbolt, and interchangeable core (SFIC) design...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
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  • Falcon MA531CP6 AG 626 Mortise Lock, 626 Finish Falcon MA531CP6 AG 626 Mortise Lock, 626 Finish
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    Falcon MA531CP6 AG 626 Mortise Lock, 626 Finish

    Falcon
    MSRP: $929.00
    $463.73
    The Falcon MA Series mortise lock delivers affordable, high-performance security for commercial offices, hospitals, educational facilities, and other institutional buildings. Built for constant use without failure, this tough lock features a mechanical...
    Qty in Cart: 0
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    Price:
    MSRP: $929.00
    $463.73
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  • MA411P QG 630 Falcon Mortise Lock MA411P QG 630 Falcon Mortise Lock
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    MA411P QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411P QG 630 is a heavy-duty mortise lock built for commercial environments like offices, hospitals, and educational facilities. Featuring a 1-inch throw deadbolt with saw-resistant rollers and a two-piece stainless steel latch, it delivers...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA411P DG 630 Falcon Mortise Lock MA411P DG 630 Falcon Mortise Lock
    Quick view

    MA411P DG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411P is a heavy-duty mortise lock engineered for offices, hospitals, schools, and commercial facilities requiring reliable daily-use security. Its two-piece stainless steel latch and saw-resistant roller bolt deliver dependable performance,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA521L DN 630 Falcon Mortise Lock MA521L DN 630 Falcon Mortise Lock
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    MA521L DN 630 Falcon Mortise Lock

    Falcon
    MSRP: $852.00
    $435.24
    The Falcon MA521L DN 630 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. Its two-piece stainless steel latch, one-inch dead bolt with saw-resistant rollers, and cold-formed steel case...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $852.00
    $435.24
    Subtotal:
  • MA321 SG 626 Falcon Mortise Lock MA321 SG 626 Falcon Mortise Lock
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    MA321 SG 626 Falcon Mortise Lock

    Falcon
    MSRP: $809.00
    $419.06
    The Falcon MA321 SG 626 is a commercial mortise lock engineered for high-traffic office, hospital, and educational facilities. Its interchangeable core design enables quick re-keying without removing the lock body, while the two-piece stainless steel...
    Qty in Cart: 0
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    Price:
    MSRP: $809.00
    $419.06
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  • MA161 QN 626 LHR Falcon Mortise Lock MA161 QN 626 LHR Falcon Mortise Lock
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    MA161 QN 626 LHR Falcon Mortise Lock

    Falcon
    MSRP: $600.00
    $310.80
    The Falcon MA161 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This dependable SFIC-compatible lock combines security with affordability, featuring a two-piece stainless steel latch, saw-resistant...
    Qty in Cart: 0
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    Price:
    MSRP: $600.00
    $310.80
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  • MA381B SN 626 LH Falcon Mortise Lock MA381B SN 626 LH Falcon Mortise Lock
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    MA381B SN 626 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA381B is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. This ANSI/BHMA Series 1000 lock combines security with durability, featuring a stainless steel latch bolt, 1-inch deadbolt throw...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,022.00
    $498.14
    Subtotal:
  • MA371L AG 630 Falcon Mortise Lock MA371L AG 630 Falcon Mortise Lock
    Quick view

    MA371L AG 630 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA371L AG 630 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This dependable ANSI Series 1000 lock combines security with durability, featuring a stainless steel latch bolt with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA411B SG 630 Falcon Mortise Lock MA411B SG 630 Falcon Mortise Lock
    Quick view

    MA411B SG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA411B mortise lock is a high-performance, affordable security solution for office, hospital, education, and commercial facilities. Built to withstand constant use, this dependable lock features an interchangeable core for quick re-keying and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA531P AG 630 Falcon Mortise Lock MA531P AG 630 Falcon Mortise Lock
    Quick view

    MA531P AG 630 Falcon Mortise Lock

    Falcon
    MSRP: $941.00
    $468.17
    The Falcon MA531P AG 630 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable ANSI Series 1000 lock combines security with reliability, featuring a two-piece stainless steel latch, 1-inch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $941.00
    $468.17
    Subtotal:
  • MA521L AN 630 Falcon Mortise Lock MA521L AN 630 Falcon Mortise Lock
    Quick view

    MA521L AN 630 Falcon Mortise Lock

    Falcon
    MSRP: $852.00
    $435.24
    The Falcon MA521L AN 630 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and other high-traffic environments. This durable lock combines security with reliability, featuring a two-piece stainless steel latch bolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $852.00
    $435.24
    Subtotal:
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