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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  • Best 9KW57DEL16DS3626RQE Fail Safe 24VDC Cylindrical Lever Lock 16D Design Request to Exit Best 9KW57DEL16DS3626RQE Fail Safe 24VDC Cylindrical Lever Lock 16D Design Request to Exit
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    Best 9KW57DEL16DS3626RQE Fail Safe 24VDC Cylindrical Lever Lock 16D Design Request to Exit

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    Best 9KW57DEU14DS3626RQE Fail Secure 24VDC Cylindrical Lever Lock 14D Design

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    Best 9KW47DEL15DS3626RQE Fail Safe 24VDC Cylindrical Lever Lock 15D Design Request to Exit

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    MSRP: $1,973.00
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    9KW47DEL15DS3626RQE Best Electric Cylindrical Lock Fail Safe, 24VDC, Cylindrical Lever Lock, 15D Design, Request to Exit, Satin Chrome Finish: 626/US26D Series: 9KW Series Electromechanical Lever...
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    Best 9KW47DEL14DS3626 Fail Safe 24VDC Cylindrical Lever Lock 14D Design

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    Best 9KW57DEU15DSTK626RQE Fail Secure 24VDC Cylindrical Lever Lock 15D Design

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    MSRP: $1,973.00
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    MSRP: $1,687.00
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    Best 9KW57DEU15LS3626RQE Fail Secure 24VDC Cylindrical Lever Lock 15L Design

    BEST
    MSRP: $1,973.00
    $989.20
    9KW57DEU15LS3626RQE Best Electric Cylindrical Lock Fail Secure, 24VDC, Cylindrical Lever Lock, 15L Design, Request to Exit, Satin Chrome Finish: 626/US26D Series: 9KW Series Electromechanical Lever...
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    Best 9KW57DEL14DS3626 Fail Safe 24VDC Cylindrical Lever Lock 14D Design

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    MSRP: $1,687.00
    $854.80
    9KW57DEL14DS3626 Best Electric Cylindrical Lock Fail Safe, 24VDC, Cylindrical Lever Lock, 14D Design, Satin Chrome Finish: 626/US26D Series: 9KW Series Electromechanical Lever Locks Type: Electric...
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    MSRP: $1,973.00
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    Best 9KW47DEU15CS3626RQE Fail Secure 24VDC Cylindrical Lever Lock 15C Design

    BEST
    MSRP: $1,973.00
    $989.20
    9KW47DEU15CS3626RQE Best Electric Cylindrical Lock Fail Secure, 24VDC, Cylindrical Lever Lock, 15C Design, Request to Exit, Satin Chrome Finish: 626/US26D Series: 9KW Series Electromechanical Lever...
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    MSRP: $1,973.00
    $989.20
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