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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  • Yale 8800 Series CRCN8808FL 626 Mortise Lock Trim Pack Yale 8800 Series CRCN8808FL 626 Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8808FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack is a commercial-grade security solution for interior and exterior doors requiring ANSI/BHMA Grade 1 certification. Designed for strength and durability, it features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
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    Price:
    MSRP: $801.00
    $470.33
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  • Yale 8800 Series VIR8802FL Mortise Lock, Grade 1 Yale 8800 Series VIR8802FL Mortise Lock, Grade 1
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    Yale 8800 Series VIR8802FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,253.00
    $682.98
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 certified security for commercial doors. Featuring a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock provides uncompromising strength and durability across...
    Qty in Cart: 0
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    MSRP: $1,253.00
    $682.98
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  • Yale 8800 Series Mortise Lock Trim Pack, 626 Finish Yale 8800 Series Mortise Lock Trim Pack, 626 Finish
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    Yale 8800 Series Mortise Lock Trim Pack, 626 Finish

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale AUCN8801FL 626 Trim Pack is a heavy-duty mortise lock designed for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel components and vandal-resistant trim, it solves the need for reliable...
    Qty in Cart: 0
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    Price:
    MSRP: $801.00
    $470.33
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  • Yale 8800 JNR8818-2FL Grade 1 Mortise Lock, Satin Chrome Yale 8800 JNR8818-2FL Grade 1 Mortise Lock, Satin Chrome
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    Yale 8800 JNR8818-2FL Grade 1 Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,491.00
    $815.49
    The Yale 8800 Series JNR8818-2FL mortise lock delivers ANSI/BHMA Grade 1 security for demanding commercial applications. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire rating up to 3 hours, this lock...
    Qty in Cart: 0
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    MSRP: $1,491.00
    $815.49
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  • Yale 8829FL 626 Mortise Lock Trim Pack Yale 8829FL 626 Mortise Lock Trim Pack
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    Yale 8829FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 commercial-grade security for office buildings, hotels, and institutional facilities. Reinforced stainless steel deadbolt and vandal-resistant hardware ensure long-term durability in...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 JNR8808FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 JNR8808FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8800 JNR8808FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,342.00
    $721.42
    The Yale 8800 Series JNR8808FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, it solves the need for uncompromising strength and durability in...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,342.00
    $721.42
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  • Yale 8800 MOR8802FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 MOR8802FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8800 MOR8802FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,067.00
    $583.72
    The Yale 8800 Series MOR8802FL is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Built with a reinforced stainless steel deadbolt and vandal-resistant trim, it solves the need for reliable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,067.00
    $583.72
    Subtotal:
  • Yale 8800 Series AUR8867FL Mortise Lock, Grade 1 Yale 8800 Series AUR8867FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series AUR8867FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock (AUR8867FL 626) is a heavy-duty, commercial-grade lock engineered for maximum security and durability in high-traffic commercial doors. ANSI/BHMA Grade 1 certified with reinforced stainless steel deadbolt and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • Yale 8800 Series CRR8867FL 626 Mortise Lock Trim Pack Yale 8800 Series CRR8867FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8867FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack is a Grade 1 commercial-duty solution for offices, retail, and institutional buildings requiring ANSI/BHMA certified security. The reinforced stainless steel deadbolt and heavy-duty trim resist vandalism and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series AUR8805FL 626 Mortise Lock Trim Pack Yale 8800 Series AUR8805FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series AUR8805FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a commercial-grade solution for applications demanding uncompromising strength and durability. Designed for doors up to 3-1/4" thick, this ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 AUR8820FL Mortise Lock, Grade 1, 626 Finish Yale 8800 AUR8820FL Mortise Lock, Grade 1, 626 Finish
    Quick view

    Yale 8800 AUR8820FL Mortise Lock, Grade 1, 626 Finish

    Yale/Accentra
    MSRP: $1,327.00
    $715.25
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength and durability. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible handing,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,327.00
    $715.25
    Subtotal:
  • Yale 8800 Series AUR8832FL Mortise Lock, Satin Chrome Yale 8800 Series AUR8832FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series AUR8832FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,296.00
    $701.96
    The Yale 8800 Series mortise lock (AUR8832FL) delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, it handles high-traffic applications where durability and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,296.00
    $701.96
    Subtotal:
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