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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  • MA431B DN 606 Falcon Mortise Lock MA431B DN 606 Falcon Mortise Lock
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    MA431B DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,062.00
    $512.94
    The Falcon MA431B DN 606 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This tough, dependable lock delivers security...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,062.00
    $512.94
    Subtotal:
  • MA371CP6 AG 605 Falcon Mortise Lock MA371CP6 AG 605 Falcon Mortise Lock
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    MA371CP6 AG 605 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371CP6 is a commercial mortise lock engineered for offices, hospitals, schools, and high-traffic facilities. Built on the proven MA Series platform, it combines dependable security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA531B DN 606 Falcon Mortise Lock MA531B DN 606 Falcon Mortise Lock
    Quick view

    MA531B DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $971.00
    $479.27
    The Falcon MA531B DN 606 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This Series 1000 lock combines security with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $971.00
    $479.27
    Subtotal:
  • MA381B DG 605 RH Falcon Mortise Lock MA381B DG 605 RH Falcon Mortise Lock
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    MA381B DG 605 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381B is a heavy-duty mortise lock designed for commercial environments including offices, hospitals, and educational facilities. It combines security with durability, featuring a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA381L QG 605 Falcon Mortise Lock MA381L QG 605 Falcon Mortise Lock
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    MA381L QG 605 Falcon Mortise Lock

    Falcon
    MSRP: $994.00
    $487.78
    The Falcon MA381L QG 605 is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. Its two-piece stainless steel latch bolt and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $994.00
    $487.78
    Subtotal:
  • MA431B QG 625 Falcon Mortise Lock MA431B QG 625 Falcon Mortise Lock
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    MA431B QG 625 Falcon Mortise Lock

    Falcon
    MSRP: $1,032.00
    $501.84
    The Falcon MA431B QG 625 is a high-performance mortise lock built for commercial environments including offices, hospitals, and educational facilities. This durable lock features a two-piece...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,032.00
    $501.84
    Subtotal:
  • MA431P DN 606 Falcon Mortise Lock MA431P DN 606 Falcon Mortise Lock
    Quick view

    MA431P DN 606 Falcon Mortise Lock

    Falcon
    MSRP: $1,062.00
    $512.94
    The Falcon MA431P DN 606 is a commercial mortise lock built for high-traffic offices, hospitals, schools, and institutional facilities. Its interchangeable core design enables quick re-keying without...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,062.00
    $512.94
    Subtotal:
  • MA371L SG 606 Falcon Mortise Lock MA371L SG 606 Falcon Mortise Lock
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    MA371L SG 606 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA371L mortise lock is a high-performance, durable solution for commercial buildings including offices, hospitals, and educational facilities. Featuring a two-piece stainless steel latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA521L SN 625 Falcon Mortise Lock MA521L SN 625 Falcon Mortise Lock
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    MA521L SN 625 Falcon Mortise Lock

    Falcon
    MSRP: $852.00
    $435.24
    The Falcon MA521L is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This ANSI/BHMA Series 1000 lock combines affordability...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $852.00
    $435.24
    Subtotal:
  • MA381CP6 AG 605 LH Falcon Mortise Lock MA381CP6 AG 605 LH Falcon Mortise Lock
    Quick view

    MA381CP6 AG 605 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA381CP6 AG 605 LH is a heavy-duty mortise lock designed for high-traffic commercial environments including offices, hospitals, and educational facilities. This dependable lock combines...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • Falcon MA521CP6 DN 605 Mortise Lock MA521CP6 DN 605 Falcon Mortise Lock
    Quick view

    Falcon MA521CP6 DN 605 Mortise Lock

    Falcon
    MSRP: $934.00
    $465.58
    The Falcon MA Series mortise lock delivers high-performance security for commercial environments including offices, hospitals, and educational facilities. Built for constant use, this durable lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $934.00
    $465.58
    Subtotal:
  • MA431L QG 606 Falcon Mortise Lock MA431L QG 606 Falcon Mortise Lock
    Quick view

    MA431L QG 606 Falcon Mortise Lock

    Falcon
    MSRP: $832.00
    $427.84
    The Falcon MA431L is a heavy-duty mortise lock built for commercial environments including offices, hospitals, and educational facilities. This Series 1000 lock combines security with reliability,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $832.00
    $427.84
    Subtotal:
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