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 BM26-LB Lock Body Arrow BM26-LB Lock Body
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    Arrow BM26-LB Lock Body

    Arrow
    MSRP: $417.21
    $350.46
    The Arrow BM26-LB is a mortise lock body designed for commercial and residential applications requiring a reliable, easy-to-install locking mechanism. This lock body solves the need for a durable...
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  • Arrow BM27 VG 3 institutional Mortise Lock V Lever G Escutcheon Arrow BM27 VG 3 institutional Mortise Lock V Lever G Escutcheon
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    Arrow BM27 VG 3 institutional Mortise Lock V Lever G Escutcheon

    Arrow
    MSRP: $1,032.82
    $574.11
    BM27 VG 3 Arrow Mortise Lock Institutional Mortise Lock, V Lever, G Escutcheon, Bright Brass Finish: 605/US3 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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  • Arrow BM26 VL 10 Privacy Mortise Lock V Lever L Rose Arrow BM26 VL 10 Privacy Mortise Lock V Lever L Rose
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    Arrow BM26 VL 10 Privacy Mortise Lock V Lever L Rose

    Arrow
    MSRP: $903.05
    $508.31
    BM26 VL 10 Arrow Mortise Lock Privacy Mortise Lock, V Lever, L Rose, Satin Bronze Finish: 612/US10 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock ...
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  • Arrow BM12 XL 10B Storeroom Mortise Lock X Lever L Rose Arrow BM12 XL 10B Storeroom Mortise Lock X Lever L Rose
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    Arrow BM12 XL 10B Storeroom Mortise Lock X Lever L Rose

    Arrow
    MSRP: $985.63
    $553.82
    BM12 XL 10B Arrow Mortise Lock Storeroom Mortise Lock, X Lever, L Rose, Oil Rubbed Bronze Finish: 613/US10B Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise...
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  • Arrow BM09 BRG 3 Double Dummy Mortise Trim BR Lever G Escutcheon Arrow BM09 BRG 3 Double Dummy Mortise Trim BR Lever G Escutcheon
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    Arrow BM09 BRG 3 Double Dummy Mortise Trim BR Lever G Escutcheon

    Arrow
    MSRP: $616.69
    $371.25
    BM09 BRG 3 Arrow Mortise Lock Double Dummy Mortise Trim, BR Lever, G Escutcheon, Bright Brass Finish: 605/US3 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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  • Arrow BM07 HSL 3 Exit Mortise Lock HS Lever L Rose Arrow BM07 HSL 3 Exit Mortise Lock HS Lever L Rose
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    Arrow BM07 HSL 3 Exit Mortise Lock HS Lever L Rose

    Arrow
    MSRP: $773.00
    $452.39
    BM07 HSL 3 Arrow Mortise Lock Exit Mortise Lock, HS Lever, L Rose, Bright Brass Finish: 605/US3 ...
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    $452.39
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  • Arrow BM17 VL 10B Classroom Mortise Lock V Lever L Rose Arrow BM17 VL 10B Classroom Mortise Lock V Lever L Rose
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    Arrow BM17 VL 10B Classroom Mortise Lock V Lever L Rose

    Arrow
    MSRP: $985.63
    $553.82
    BM17 VL 10B Arrow Mortise Lock Classroom Mortise Lock, V Lever, L Rose, Oil Rubbed Bronze Finish: 613/US10B ...
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  • Arrow BM17 XL 4 Classroom Mortise Lock X Lever L Rose Arrow BM17 XL 4 Classroom Mortise Lock X Lever L Rose
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    Arrow BM17 XL 4 Classroom Mortise Lock X Lever L Rose

    Arrow
    MSRP: $985.63
    $553.82
    BM17 XL 4 Arrow Mortise Lock Classroom Mortise Lock, X Lever, L Rose, Satin Brass Finish: 606/US4 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type: Mortise Lock ...
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  • Arrow BM19 HSL 10 Dormitory Exit Mortise Lock HS Lever L Rose Arrow BM19 HSL 10 Dormitory Exit Mortise Lock HS Lever L Rose
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    Arrow BM19 HSL 10 Dormitory Exit Mortise Lock HS Lever L Rose

    Arrow
    MSRP: $911.63
    $512.00
    BM19 HSL 10 Arrow Mortise Lock Dormitory, Exit Mortise Lock, HS Lever, L Rose, Satin Bronze Finish: 612/US10 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    MSRP: $911.63
    $512.00
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  • Arrow BM20 BRL 10 Entrance Dormitory Mortise Lock BR Lever L Rose Arrow BM20 BRL 10 Entrance Dormitory Mortise Lock BR Lever L Rose
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    Arrow BM20 BRL 10 Entrance Dormitory Mortise Lock BR Lever L Rose

    Arrow
    MSRP: $911.63
    $512.00
    BM20 BRL 10 Arrow Mortise Lock Entrance, Dormitory Mortise Lock, BR Lever, L Rose, Satin Bronze Finish: 612/US10 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub Type:...
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    $512.00
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  • Arrow BM13 XG 10B Apartment Front Door Mortise Lock X Lever G Escutcheon Arrow BM13 XG 10B Apartment Front Door Mortise Lock X Lever G Escutcheon
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    Arrow BM13 XG 10B Apartment Front Door Mortise Lock X Lever G Escutcheon

    Arrow
    MSRP: $1,059.63
    $585.64
    BM13 XG 10B Arrow Mortise Lock Apartment, Front Door Mortise Lock, X Lever, G Escutcheon, Oil Rubbed Bronze Finish: 613/US10B Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks...
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    MSRP: $1,059.63
    $585.64
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  • Arrow BM13 XG 10 Apartment Front Door Mortise Lock X Lever G Escutcheon Arrow BM13 XG 10 Apartment Front Door Mortise Lock X Lever G Escutcheon
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    Arrow BM13 XG 10 Apartment Front Door Mortise Lock X Lever G Escutcheon

    Arrow
    MSRP: $1,059.63
    $585.64
    BM13 XG 10 Arrow Mortise Lock Apartment, Front Door Mortise Lock, X Lever, G Escutcheon, Satin Bronze Finish: 612/US10 Series: BM Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
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    MSRP: $1,059.63
    $585.64
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