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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  • MA441B AG 625 Falcon Mortise Lock MA441B AG 625 Falcon Mortise Lock
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    MA441B AG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441B AG 625 is a commercial-grade mortise lock engineered for offices, hospitals, and educational facilities requiring reliable security and durability. Built with cold-formed steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA321 AN 613 Falcon Mortise Lock MA321 AN 613 Falcon Mortise Lock
    Quick view

    MA321 AN 613 Falcon Mortise Lock

    Falcon
    MSRP: $851.00
    $434.87
    The Falcon MA321 AN 613 is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. It combines reliable security with durability, featuring an...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $851.00
    $434.87
    Subtotal:
  • MA371L DN 606 Falcon Mortise Lock MA371L DN 606 Falcon Mortise Lock
    Quick view

    MA371L DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA371L DN 606 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. Its two-piece stainless steel latch bolt with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $834.00
    $428.58
    Subtotal:
  • MA321 DN 606 Falcon Mortise Lock MA321 DN 606 Falcon Mortise Lock
    Quick view

    MA321 DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $851.00
    $434.87
    The Falcon MA321 DN 606 is a commercial mortise lock engineered for offices, hospitals, schools, and other institutional buildings requiring dependable daily-use security. Its interchangeable core...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $851.00
    $434.87
    Subtotal:
  • MA381P AG 625 RH Falcon Mortise Lock MA381P AG 625 RH Falcon Mortise Lock
    Quick view

    MA381P AG 625 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381P is a mortise lock built for high-traffic commercial environments including offices, hospitals, and educational facilities. Its interchangeable core design allows quick re-keying...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • Falcon MA521CP6 Mortise Lock, 605 Finish, SFIC Falcon MA521CP6 Mortise Lock, 605 Finish, SFIC
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    Falcon MA521CP6 Mortise Lock, 605 Finish, SFIC

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA521CP6 is a heavy-duty mortise lock built for commercial offices, hospitals, and educational facilities that demand reliable security and durability. This ANSI/BHMA Series 1000 lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA521L QG 605 Falcon Mortise Lock MA521L QG 605 Falcon Mortise Lock
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    MA521L QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA521L QG 605 mortise lock delivers high-performance security for commercial buildings including offices, hospitals, and educational facilities. Built for constant heavy use, this tough,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $834.00
    $428.58
    Subtotal:
  • MA381B SG 613 RH Falcon Mortise Lock MA381B SG 613 RH Falcon Mortise Lock
    Quick view

    MA381B SG 613 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381B is a commercial mortise lock engineered for offices, hospitals, and educational facilities demanding reliable security and durability. This heavy-duty lock features an...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA371L DG 606 Falcon Mortise Lock MA371L DG 606 Falcon Mortise Lock
    Quick view

    MA371L DG 606 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA371L DG 606 is a commercial mortise lock engineered for high-traffic office, hospital, and educational environments. It combines security with durability, featuring a two-piece stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA441CP6 AG 625 Falcon Mortise Lock MA441CP6 AG 625 Falcon Mortise Lock
    Quick view

    MA441CP6 AG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA441CP6 AG 625 mortise lock is a heavy-duty commercial lock designed for offices, hospitals, educational facilities, and other institutional buildings. This Series 1000 lock combines...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA451L DN 613 Falcon Mortise Lock MA451L DN 613 Falcon Mortise Lock
    Quick view

    MA451L DN 613 Falcon Mortise Lock

    Falcon
    MSRP: $1,074.00
    $517.38
    The Falcon MA451L DN 613 is a commercial mortise lock engineered for offices, hospitals, education facilities, and high-traffic environments. This durable, affordable lock features an interchangeable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,074.00
    $517.38
    Subtotal:
  • MA541B SN 605 Falcon Mortise Lock MA541B SN 605 Falcon Mortise Lock
    Quick view

    MA541B SN 605 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA541B mortise lock is a heavy-duty commercial lock built for offices, hospitals, schools, and other demanding environments. Its interchangeable core design enables quick re-keying without...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
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