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 AUCN8805FL 8800FL Mortise Lock, Storeroom Yale AUCN8805FL 8800FL Mortise Lock, Storeroom
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    Yale AUCN8805FL 8800FL Mortise Lock, Storeroom

    Yale/Accentra
    MSRP: $1,179.00
    $652.60
    The Yale AUCN8805FL mortise lock is a heavy-duty storeroom or closet function lock designed for commercial doors. Built with a stainless steel mechanism and certified to ANSI/BHMA Grade 1 standards, it provides reliable security and durability for...
    Qty in Cart: 0
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    MSRP: $1,179.00
    $652.60
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  • Yale 8800 JNR8827FL Mortise Lock, Grade 1, 626 Finish Yale 8800 JNR8827FL Mortise Lock, Grade 1, 626 Finish
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    Yale 8800 JNR8827FL Mortise Lock, Grade 1, 626 Finish

    Yale/Accentra
    MSRP: $1,513.00
    $824.51
    The Yale 8800 Series JNR8827FL is a commercial-grade mortise lock built for high-security applications in offices, schools, and institutional buildings. Its reinforced stainless steel deadbolt, ANSI/BHMA Grade 1 certification, and UL/cUL 3-hour fire...
    Qty in Cart: 0
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    MSRP: $1,513.00
    $824.51
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  • Yale 8800 Series CRCN8823FL Mortise Lock Trim Pack Yale 8800 Series CRCN8823FL Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8823FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack is a commercial-grade entry solution engineered for demanding applications requiring maximum security and durability. Designed for doors up to 3-1/4" thick, this ANSI/BHMA Grade 1 certified lock features a...
    Qty in Cart: 0
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    Price:
    MSRP: $801.00
    $470.33
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  • Yale 8800 JNR8805FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 JNR8805FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8800 JNR8805FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,342.00
    $721.42
    The Yale 8800 Series JNR8805FL mortise lock delivers ANSI/BHMA Grade 1 security for high-traffic commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, this lock suits office buildings, retail,...
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    MSRP: $1,342.00
    $721.42
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  • Yale 8800 Series Mortise Lock CRCN8823FL 626 Yale 8800 Series Mortise Lock CRCN8823FL 626
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    Yale 8800 Series Mortise Lock CRCN8823FL 626

    Yale/Accentra
    MSRP: $1,209.00
    $665.42
    The Yale 8800 Series mortise lock (CRCN8823FL 626) delivers Grade 1 security for commercial doors. Engineered for uncompromising strength and durability, this heavy-duty lock features a reinforced stainless steel deadbolt and vandal-resistant trim. Ideal...
    Qty in Cart: 0
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    MSRP: $1,209.00
    $665.42
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  • Yale 8800 Series JNR8808-2FL 626 Mortise Lock Yale 8800 Series JNR8808-2FL 626 Mortise Lock
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    Yale 8800 Series JNR8808-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,461.00
    $802.68
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, this lock solves durability challenges in high-traffic applications...
    Qty in Cart: 0
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    MSRP: $1,461.00
    $802.68
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  • Yale 8800 Series Mortise Lock Trim Pack MOR8818-2FL Yale 8800 Series Mortise Lock Trim Pack MOR8818-2FL
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    Yale 8800 Series Mortise Lock Trim Pack MOR8818-2FL

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series Mortise Lock is a Grade 1 commercial-duty lock designed for doors requiring uncompromising strength and security. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock solves high-traffic...
    Qty in Cart: 0
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    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 Series PBCN8823FL Mortise Lock, Satin Chrome Yale 8800 Series PBCN8823FL Mortise Lock, Satin Chrome
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    Yale 8800 Series PBCN8823FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,209.00
    $665.42
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors in schools, offices, and institutional buildings. This heavy-duty lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,209.00
    $665.42
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  • Yale 8834-2FL Mortise Lock, Grade 1, Satin Chrome Yale 8834-2FL Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale 8834-2FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $656.00
    $399.99
    The Yale 8834-2FL is a heavy-duty mortise lock built for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Featuring a reinforced stainless steel deadbolt and vandal-resistant trim, it solves the need for long-lasting access control...
    Qty in Cart: 0
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    Price:
    MSRP: $656.00
    $399.99
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  • Yale 8834FL 626 Mortise Lock, Grade 1, Stainless Steel Yale 8834FL 626 Mortise Lock, Grade 1, Stainless Steel
    Quick view

    Yale 8834FL 626 Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $656.00
    $399.99
    The Yale 8834FL 626 is a commercial-grade mortise lock built for high-security applications in offices, hospitals, schools and other institutional settings. Its reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim and ANSI/BHMA Grade 1...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $656.00
    $399.99
    Subtotal:
  • Yale 8800 Series MOR8828FL 626 Mortise Lock Trim Pack Yale 8800 Series MOR8828FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8828FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for interior and exterior doors. Designed for facilities managers and contractors who demand durability, this ANSI/BHMA Grade 1 certified lock features a reinforced stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series CRCN8862FL 626 Mortise Lock Trim Pack Yale 8800 Series CRCN8862FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRCN8862FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial locking solution engineered for maximum security and durability. Designed for standard 1-3/4" doors in retail, office and institutional settings, this ANSI/BHMA Grade 1 certified lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
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