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 AN 626 Falcon Mortise Lock MA431B AN 626 Falcon Mortise Lock
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    MA431B AN 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,050.00
    $508.50
    The Falcon MA431B mortise lock delivers high performance and dependable security for commercial office, hospital, education, and institutional projects. Built tough for constant daily use, this ANSI/BHMA Series 1000 lock features a mechanical...
    Qty in Cart: 0
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    Price:
    MSRP: $1,050.00
    $508.50
    Subtotal:
  • MA371P SG 630 Falcon Mortise Lock MA371P SG 630 Falcon Mortise Lock
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    MA371P SG 630 Falcon Mortise Lock

    Falcon
    MSRP: $1,004.00
    $491.48
    The Falcon MA371P is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. Built tough with cold-formed steel construction and hardened steel hubs, it delivers reliable security and durability...
    Qty in Cart: 0
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    Price:
    MSRP: $1,004.00
    $491.48
    Subtotal:
  • MA441L SG 630 Falcon Mortise Lock MA441L SG 630 Falcon Mortise Lock
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    MA441L SG 630 Falcon Mortise Lock

    Falcon
    MSRP: $804.00
    $416.47
    The Falcon MA441L SG 630 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This heavy-duty lock combines security with dependability, featuring a two-piece stainless steel latch bolt, a one-inch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $804.00
    $416.47
    Subtotal:
  • MA381CP6 DN 630 LH Falcon Mortise Lock MA381CP6 DN 630 LH Falcon Mortise Lock
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    MA381CP6 DN 630 LH Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA381CP6 DN 630 LH is a heavy-duty mortise lock engineered for high-traffic commercial environments including offices, hospitals, and educational facilities. Its interchangeable core design enables quick re-keying without removing the lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA321 QG 630 Falcon Mortise Lock MA321 QG 630 Falcon Mortise Lock
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    MA321 QG 630 Falcon Mortise Lock

    Falcon
    MSRP: $821.00
    $423.77
    The Falcon MA321 QG 630 mortise lock delivers high-performance security for commercial offices, hospitals, education facilities, and similar environments. Built tough for constant daily use, this dependable lock features an interchangeable core for quick...
    Qty in Cart: 0
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    Price:
    MSRP: $821.00
    $423.77
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  • MA381CP6 DN 630 RH Falcon Mortise Lock MA381CP6 DN 630 RH Falcon Mortise Lock
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    MA381CP6 DN 630 RH Falcon Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA381CP6 DN 630 RH is a heavy-duty mortise lock engineered for commercial environments including offices, hospitals, and educational facilities. This durable lock features an interchangeable core for quick re-keying, a mechanical anti-friction...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA371P DN 626 Falcon Mortise Lock MA371P DN 626 Falcon Mortise Lock
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    MA371P DN 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,022.00
    $498.14
    The Falcon MA371P DN 626 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This durable ANSI/BHMA Series 1000 lock features a stainless steel latch and deadbolt with saw-resistant rollers, delivering...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,022.00
    $498.14
    Subtotal:
  • Falcon MA441CP6 DN 630 Mortise Lock MA441CP6 DN 630 Falcon Mortise Lock
    Quick view

    Falcon MA441CP6 DN 630 Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA Series mortise lock delivers affordable, high-performance security for commercial offices, hospitals, educational facilities, and institutions. Built for constant use without fail, this tough, dependable lock features an interchangeable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA431B SG 626 Falcon Mortise Lock MA431B SG 626 Falcon Mortise Lock
    Quick view

    MA431B SG 626 Falcon Mortise Lock

    Falcon
    MSRP: $1,020.00
    $497.40
    The Falcon MA431B SG 626 is a commercial mortise lock engineered for offices, hospitals, and educational facilities requiring reliable, heavy-duty security. This ANSI/BHMA Series 1000 lock combines affordability with dependable performance, featuring a...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,020.00
    $497.40
    Subtotal:
  • MA371L DN 630 Falcon Mortise Lock MA371L DN 630 Falcon Mortise Lock
    Quick view

    MA371L DN 630 Falcon Mortise Lock

    Falcon
    MSRP: $834.00
    $428.58
    The Falcon MA371L DN 630 is a commercial mortise lock engineered for offices, hospitals, educational facilities, and high-traffic environments. This heavy-duty lock combines reliable security with dependable performance, featuring a two-piece stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $834.00
    $428.58
    Subtotal:
  • Falcon MA371CP6 DN 630 Mortise Lock Falcon MA371CP6 DN 630 Mortise Lock
    Quick view

    Falcon MA371CP6 DN 630 Mortise Lock

    Falcon
    MSRP: $1,034.00
    $502.58
    The Falcon MA371CP6 DN 630 is a high-performance mortise lock built for commercial offices, hospitals, educational facilities, and similar environments demanding reliable security and durability. Its two-piece stainless steel latch bolt, 1-inch throw...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,034.00
    $502.58
    Subtotal:
  • MA431L DN 630 Falcon Mortise Lock MA431L DN 630 Falcon Mortise Lock
    Quick view

    MA431L DN 630 Falcon Mortise Lock

    Falcon
    MSRP: $862.00
    $438.94
    The Falcon MA431L DN 630 is a commercial mortise lock engineered for high-traffic office, hospital, and education environments. This tough, dependable lock combines security with reliability under constant use, featuring an interchangeable core for quick...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $862.00
    $438.94
    Subtotal:
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