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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  • BM19 XL 26D Arrow Mortise Lock BM19 XL 26D Arrow Mortise Lock
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    BM19 XL 26D Arrow Mortise Lock

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    MSRP: $967.40
    $545.98
    BM19 XL 26D Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $967.40
    $545.98
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  • BM12 XL 26 Arrow Mortise Lock BM12 XL 26 Arrow Mortise Lock
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    BM12 XL 26 Arrow Mortise Lock

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    MSRP: $985.63
    $553.82
    BM12 XL 26 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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  • BM17 VL 10 IC7 Arrow Mortise Lock BM17 VL 10 IC7 Arrow Mortise Lock
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    BM17 VL 10 IC7 Arrow Mortise Lock

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    MSRP: $985.63
    $553.82
    BM17 VL 10 IC7 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength...
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    MSRP: $985.63
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  • BM22 VH 26D Arrow Mortise Lock BM22 VH 26D Arrow Mortise Lock
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    BM22 VH 26D Arrow Mortise Lock

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    MSRP: $987.78
    $554.75
    BM22 VH 26D Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $987.78
    $554.75
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  • BM12 VH 26D Arrow Mortise Lock BM12 VH 26D Arrow Mortise Lock
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    BM12 VH 26D Arrow Mortise Lock

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    MSRP: $987.78
    $554.75
    BM12 VH 26D Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $987.78
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  • BM22 XH 26D IC7 Arrow Mortise Lock BM22 XH 26D IC7 Arrow Mortise Lock
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    BM22 XH 26D IC7 Arrow Mortise Lock

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    MSRP: $987.78
    $554.75
    BM22 XH 26D IC7 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength...
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    MSRP: $987.78
    $554.75
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  • BM22 JG 26D Arrow Mortise Lock BM22 JG 26D Arrow Mortise Lock
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    BM22 JG 26D Arrow Mortise Lock

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    MSRP: $987.78
    $554.75
    BM22 JG 26D Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $987.78
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  • BM21 XG 26D IC7 Arrow Mortise Lock BM21 XG 26D IC7 Arrow Mortise Lock
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    BM21 XG 26D IC7 Arrow Mortise Lock

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    MSRP: $1,014.59
    $566.27
    BM21 XG 26D IC7 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength...
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    MSRP: $1,014.59
    $566.27
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  • BM19 XG 3 IC7 Arrow Mortise Lock BM19 XG 3 IC7 Arrow Mortise Lock
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    BM19 XG 3 IC7 Arrow Mortise Lock

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    MSRP: $1,059.63
    $585.64
    BM19 XG 3 IC7 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength...
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    MSRP: $1,059.63
    $585.64
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  • Arrow ACBM17 EU/EL-RX Mortise Lock Parts Arrow ACBM17 EU/EL-RX Mortise Lock Parts
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    Arrow ACBM17 EU/EL-RX Mortise Lock Parts

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    MSRP: $870.74
    $672.44
    Replacement mortise lock parts for Arrow ACBM17 EU/EL-RX electric mortise locks. This component is the BM Series electric mortise body, rated 12/2VAC/DC with failsafe and fail secure capabilities,...
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    MSRP: $870.74
    $672.44
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  • BM19 XG 10B Arrow Mortise Lock BM19 XG 10B Arrow Mortise Lock
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    BM19 XG 10B Arrow Mortise Lock

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    MSRP: $1,059.63
    $585.64
    BM19 XG 10B Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $1,059.63
    $585.64
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  • BM33 VG 3 Arrow Mortise Lock BM33 VG 3 Arrow Mortise Lock
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    BM33 VG 3 Arrow Mortise Lock

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    MSRP: $1,097.17
    $601.78
    BM33 VG 3 Arrow Mortise LockArrow mortise locks are offered in a complete range of functions designed for commercial, institutional and industrial applications. They are engineered for strength and...
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    MSRP: $1,097.17
    $601.78
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