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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  • Arrow BM13 Mortise Lock, X Lever, H Escutcheon, 26D Arrow BM13 Mortise Lock, X Lever, H Escutcheon, 26D
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    Arrow BM13 Mortise Lock, X Lever, H Escutcheon, 26D

    Arrow
    MSRP: $1,014.59
    $566.27
    The Arrow BM13 is a heavy-duty mortise lock designed for apartment and commercial front doors. Built from heavy gauge steel with a satin chrome finish, it provides the security and durability...
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    MSRP: $1,014.59
    $566.27
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  • Arrow BM13 XH 32D Apartment Front Door Mortise Lock X Lever H Escutcheon Arrow BM13 XH 32D Apartment Front Door Mortise Lock X Lever H Escutcheon
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    Arrow BM13 XH 32D Apartment Front Door Mortise Lock X Lever H Escutcheon

    Arrow
    MSRP: $1,072.50
    $591.17
    BM13 XH 32D Arrow Mortise Lock Apartment, Front Door Mortise Lock, X Lever, H Escutcheon, Satin Stainless Steel Finish: 630/US32D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores,...
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    MSRP: $1,072.50
    $591.17
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  • Arrow BM01 VL 32D Passage Mortise Lock V Lever L Rose Arrow BM01 VL 32D Passage Mortise Lock V Lever L Rose
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    Arrow BM01 VL 32D Passage Mortise Lock V Lever L Rose

    Arrow
    MSRP: $823.68
    $474.18
    BM01 VL 32D Arrow Mortise Lock Passage Mortise Lock, V Lever, L Rose, Satin Stainless Steel Finish: 630/US32D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    MSRP: $823.68
    $474.18
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  • Arrow BM33 XH 26D Double Storeroom Mortise Lock X Lever H Escutcheon Arrow BM33 XH 26D Double Storeroom Mortise Lock X Lever H Escutcheon
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    Arrow BM33 XH 26D Double Storeroom Mortise Lock X Lever H Escutcheon

    Arrow
    MSRP: $1,052.13
    $582.42
    BM33 XH 26D Arrow Mortise Lock Double Storeroom Mortise Lock, X Lever, H Escutcheon, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    MSRP: $1,052.13
    $582.42
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  • Arrow BM32 VL 26D Vestibule Mortise Lock V Lever L Rose Arrow BM32 VL 26D Vestibule Mortise Lock V Lever L Rose
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    Arrow BM32 VL 26D Vestibule Mortise Lock V Lever L Rose

    Arrow
    MSRP: $1,004.94
    $562.12
    BM32 VL 26D Arrow Mortise Lock Vestibule Mortise Lock, V Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock...
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    MSRP: $1,004.94
    $562.12
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  • Arrow BM22 XH 26D Office Mortise Lock X Lever H Escutcheon Arrow BM22 XH 26D Office Mortise Lock X Lever H Escutcheon
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    Arrow BM22 XH 26D Office Mortise Lock X Lever H Escutcheon

    Arrow
    MSRP: $987.78
    $554.75
    BM22 XH 26D Arrow Mortise Lock Office Mortise Lock, X Lever, H Escutcheon, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise...
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    MSRP: $987.78
    $554.75
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  • Arrow BM24 XH 26D Storeroom Mortise Lock X Lever H Escutcheon Arrow BM24 XH 26D Storeroom Mortise Lock X Lever H Escutcheon
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    Arrow BM24 XH 26D Storeroom Mortise Lock X Lever H Escutcheon

    Arrow
    MSRP: $987.78
    $554.75
    BM24 XH 26D Arrow Mortise Lock Storeroom Mortise Lock, X Lever, H Escutcheon, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    MSRP: $987.78
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  • Arrow BM01 XL 26D Passage Mortise Lock X Lever L Rose Satin Chrome Arrow BM01 XL 26D Passage Mortise Lock X Lever L Rose Satin Chrome
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    Arrow BM01 XL 26D Passage Mortise Lock X Lever L Rose Satin Chrome

    Arrow
    MSRP: $765.77
    $449.28
    BM01 XL 26D Arrow Mortise Lock Passage Mortise Lock, X Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock ...
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    MSRP: $765.77
    $449.28
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  • Arrow BM20 XL 26D Entrance Dormitory Mortise Lock X Lever L Rose Arrow BM20 XL 26D Entrance Dormitory Mortise Lock X Lever L Rose
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    Arrow BM20 XL 26D Entrance Dormitory Mortise Lock X Lever L Rose

    Arrow
    MSRP: $967.40
    $545.98
    BM20 XL 26D Arrow Mortise Lock Entrance, Dormitory Mortise Lock, X Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    MSRP: $967.40
    $545.98
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  • Arrow BM02 XL 26D Privacy Mortise Lock X Lever L Rose Arrow BM02 XL 26D Privacy Mortise Lock X Lever L Rose
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    Arrow BM02 XL 26D Privacy Mortise Lock X Lever L Rose

    Arrow
    MSRP: $858.00
    $488.94
    BM02 XL 26D Arrow Mortise Lock Privacy Mortise Lock, X Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock ...
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    MSRP: $858.00
    $488.94
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  • Arrow BM12 XL 26D LC Storeroom Mortise Lock X Lever L Rose Less Cylinder Arrow BM12 XL 26D LC Storeroom Mortise Lock X Lever L Rose Less Cylinder
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    Arrow BM12 XL 26D LC Storeroom Mortise Lock X Lever L Rose Less Cylinder

    Arrow
    MSRP: $920.96
    $516.01
    BM12 XL 26D LC Arrow Mortise Lock Storeroom Mortise Lock, X Lever, L Rose, Less Cylinder, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
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    MSRP: $920.96
    $516.01
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  • Arrow BM17 XL 26D Classroom Mortise Lock X Lever L Rose Arrow BM17 XL 26D Classroom Mortise Lock X Lever L Rose
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    Arrow BM17 XL 26D Classroom Mortise Lock X Lever L Rose

    Arrow
    MSRP: $940.59
    $534.45
    BM17 XL 26D Arrow Mortise Lock Classroom Mortise Lock, X Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock...
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    MSRP: $940.59
    $534.45
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