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 BM02 VG 26D Privacy Mortise Lock V Lever G Escutcheon Arrow BM02 VG 26D Privacy Mortise Lock V Lever G Escutcheon
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    Arrow BM02 VG 26D Privacy Mortise Lock V Lever G Escutcheon

    Arrow
    MSRP: $905.19
    $509.23
    BM02 VG 26D Arrow Mortise Lock Privacy Mortise Lock, V Lever, G Escutcheon, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise...
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    MSRP: $905.19
    $509.23
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  • Arrow BM17 VL 32D Classroom Mortise Lock V Lever L Rose Arrow BM17 VL 32D Classroom Mortise Lock V Lever L Rose
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    Arrow BM17 VL 32D Classroom Mortise Lock V Lever L Rose

    Arrow
    MSRP: $998.50
    $559.35
    BM17 VL 32D Arrow Mortise Lock Classroom 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: $998.50
    $559.35
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  • Arrow BM17 BRL 26D Classroom Mortise Lock BR Lever L Rose Arrow BM17 BRL 26D Classroom Mortise Lock BR Lever L Rose
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    Arrow BM17 BRL 26D Classroom Mortise Lock BR Lever L Rose

    Arrow
    MSRP: $839.77
    $481.10
    BM17 BRL 26D Arrow Mortise Lock Classroom Mortise Lock, BR Lever, L Rose, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise...
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    MSRP: $839.77
    $481.10
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  • Arrow BM17 HSL Classroom Mortise Lock, Satin Chrome Arrow BM17 HSL Classroom Mortise Lock, Satin Chrome
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    Arrow BM17 HSL Classroom Mortise Lock, Satin Chrome

    Arrow
    MSRP: $839.77
    $481.10
    The Arrow BM17 HSL is a heavy-duty mortise lock designed for classroom and institutional environments. Built from heavy gauge steel with zinc dichromate finish, it delivers the durability and...
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  • Arrow BM17 VH 26D Classroom Mortise Lock V Lever H Escutcheon Arrow BM17 VH 26D Classroom Mortise Lock V Lever H Escutcheon
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    Arrow BM17 VH 26D Classroom Mortise Lock V Lever H Escutcheon

    Arrow
    MSRP: $987.78
    $554.75
    BM17 VH 26D Arrow Mortise Lock Classroom Mortise Lock, V 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
    $554.75
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  • Arrow BM22 HSH 26D Office Mortise Lock HS Lever H Escutcheon Arrow BM22 HSH 26D Office Mortise Lock HS Lever H Escutcheon
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    Arrow BM22 HSH 26D Office Mortise Lock HS Lever H Escutcheon

    Arrow
    MSRP: $886.96
    $501.39
    BM22 HSH 26D Arrow Mortise Lock Office Mortise Lock, HS 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: $886.96
    $501.39
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  • Arrow BM01 HSL 32D Passage Mortise Lock HS Lever L Rose Arrow BM01 HSL 32D Passage Mortise Lock HS Lever L Rose
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    Arrow BM01 HSL 32D Passage Mortise Lock HS Lever L Rose

    Arrow
    MSRP: $722.87
    $430.83
    BM01 HSL 32D Arrow Mortise Lock Passage Mortise Lock, HS 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: $722.87
    $430.83
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  • Arrow BM07 XL 26D Exit Mortise Lock X Lever L Rose Arrow BM07 XL 26D Exit Mortise Lock X Lever L Rose
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    Arrow BM07 XL 26D Exit Mortise Lock X Lever L Rose

    Arrow
    MSRP: $799.00
    $463.57
    BM07 XL 26D Arrow Mortise Lock Exit 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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    $463.57
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  • Arrow BM02 NL 26D Privacy Mortise Lock N Lever L Rose Arrow BM02 NL 26D Privacy Mortise Lock N Lever L Rose
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    Arrow BM02 NL 26D Privacy Mortise Lock N Lever L Rose

    Arrow
    MSRP: $757.19
    $445.59
    BM02 NL 26D Arrow Mortise Lock Privacy Mortise Lock, N 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: $757.19
    $445.59
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  • Arrow BM02 BRL 26D Privacy Mortise Lock BR Lever L Rose Arrow BM02 BRL 26D Privacy Mortise Lock BR Lever L Rose
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    Arrow BM02 BRL 26D Privacy Mortise Lock BR Lever L Rose

    Arrow
    MSRP: $757.19
    $445.59
    BM02 BRL 26D Arrow Mortise Lock Privacy Mortise Lock, BR 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: $757.19
    $445.59
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  • Arrow BM02 HSL 26D Privacy Mortise Lock HS Lever L Rose Arrow BM02 HSL 26D Privacy Mortise Lock HS Lever L Rose
    Quick view

    Arrow BM02 HSL 26D Privacy Mortise Lock HS Lever L Rose

    Arrow
    MSRP: $757.19
    $445.59
    BM02 HSL 26D Arrow Mortise Lock Privacy Mortise Lock, HS 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: $757.19
    $445.59
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  • Arrow BM17 WL 26D Classroom Mortise Lock W Lever L Rose Left Hand
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    Arrow BM17 WL 26D Classroom Mortise Lock W Lever L Rose Left Hand

    Arrow
    MSRP: $631.95
    $380.44
    BM17 WL 26D LH Arrow Mortise Lock Classroom Mortise Lock, W Lever, L Rose, Left Hand, Satin Chrome Finish: 626/US26D Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
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    MSRP: $631.95
    $380.44
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