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

    Yale/Accentra
    MSRP: $1,156.00
    $622.16
    The Yale 8834FL 626 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, this lock solves the challenge of protecting...
    Qty in Cart: 0
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    Price:
    MSRP: $1,156.00
    $622.16
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  • Yale 8800 Series PNR8824FL Mortise Lock Trim Pack Yale 8800 Series PNR8824FL Mortise Lock Trim Pack
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    Yale 8800 Series PNR8824FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock is engineered for heavy-duty commercial applications requiring uncompromising strength and durability. Reinforced stainless steel deadbolt, vandal-resistant trim, and ANSI/BHMA Grade 1 certification deliver long-lasting...
    Qty in Cart: 0
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    MSRP: $964.00
    $550.79
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  • YALARR8811-2FL 626 R TRIM PACK Yale Mortise Lock YALARR8811-2FL 626 R TRIM PACK Yale Mortise Lock
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    YALARR8811-2FL 626 R TRIM PACK Yale Mortise Lock

    Yale/Accentra
    MSRP: $964.00
    $550.79
    YALARR8811-2FL 626 R TRIM PACK Yale Mortise LockYale 8800 Series Mortise Locks are designed and manufactured for uncompromising strength and durability in a range of commercial applications. Lock installation is made easy with quick lever handing, field...
    Qty in Cart: 0
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    MSRP: $964.00
    $550.79
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  • Yale 8833FL 626 Mortise Lock Trim Pack Yale 8833FL 626 Mortise Lock Trim Pack
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    Yale 8833FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8833FL 626 Trim Pack is a Grade 1 mortise lock assembly designed for commercial doors requiring heavy-duty security and durability. It features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing, making it...
    Qty in Cart: 0
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    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 Series MOR8808-2FL Mortise Lock Trim Pack Yale 8800 Series MOR8808-2FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8808-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a commercial-grade entry solution built for strength and durability. Designed for institutional, commercial, and high-traffic facilities, it delivers ANSI/BHMA Grade 1 certification, reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 MOR8808FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 MOR8808FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8800 MOR8808FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,156.00
    $622.16
    The Yale 8800 Series MOR8808FL mortise lock delivers ANSI/BHMA Grade 1 certified security for commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, it handles high-traffic applications where durability...
    Qty in Cart: 0
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    Price:
    MSRP: $1,156.00
    $622.16
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  • Yale 8800 AUR8834-2FL 626 Mortise Lock Yale 8800 AUR8834-2FL 626 Mortise Lock
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    Yale 8800 AUR8834-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,275.00
    $693.42
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring heavy-duty performance. Featuring a reinforced stainless steel deadbolt and vandal-resistant trim, this lock is engineered for uncompromising strength in...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,275.00
    $693.42
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  • Yale 8800 Series PBR8834-2FL 626 Mortise Lock Yale 8800 Series PBR8834-2FL 626 Mortise Lock
    Quick view

    Yale 8800 Series PBR8834-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,275.00
    $693.42
    The Yale 8800 Series mortise lock delivers commercial-grade security for doors in offices, schools, hospitals, and multi-tenant buildings. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt and heavy-duty,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,275.00
    $693.42
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  • Yale 8800 Series PNCN8824FL Mortise Lock, 626 Satin Chrome Yale 8800 Series PNCN8824FL Mortise Lock, 626 Satin Chrome
    Quick view

    Yale 8800 Series PNCN8824FL Mortise Lock, 626 Satin Chrome

    Yale/Accentra
    MSRP: $1,365.00
    $731.86
    The Yale 8800 Series mortise lock delivers commercial-grade security and durability for high-traffic doors in offices, schools, and institutional buildings. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,365.00
    $731.86
    Subtotal:
  • Yale 8834 Grade 1 Mortise Lock Trim Pack, 2-3/4" Backset, Satin Chrome Yale 8834 Grade 1 Mortise Lock Trim Pack, 2-3/4" Backset, Satin Chrome
    Quick view

    Yale 8834 Grade 1 Mortise Lock Trim Pack, 2-3/4" Backset, Satin Chrome

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8834 mortise lock trim pack is a Grade 1 commercial-duty solution for office buildings, hotels, and institutional facilities requiring ANSI/BHMA certified security. This stainless steel reinforced deadbolt resists vandalism and delivers the...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 MOR8805FL Mortise Lock, 2-3/4" Backset, Satin Chrome Yale 8800 MOR8805FL Mortise Lock, 2-3/4" Backset, Satin Chrome
    Quick view

    Yale 8800 MOR8805FL Mortise Lock, 2-3/4" Backset, Satin Chrome

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale 8800 Series MOR8805FL is a Grade 1 mortise lock engineered for demanding commercial applications requiring maximum security and durability. Built with a reinforced stainless steel deadbolt, vandal-resistant trim, and ANSI/BHMA A156.13...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,037.00
    $570.90
    Subtotal:
  • Yale 8800 Series MOR8802FL Mortise Lock Trim Pack Yale 8800 Series MOR8802FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8802FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is engineered for commercial doors requiring maximum strength and security. This trim pack suits facilities managers and building owners who need ANSI/BHMA Grade 1 certified hardware that withstands heavy use, vandalism,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
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