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 AUCN8867FL Mortise Lock, Satin Chrome Yale 8800 Series AUCN8867FL Mortise Lock, Satin Chrome
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    Yale 8800 Series AUCN8867FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,090.00
    $594.16
    The Yale 8800 Series mortise lock (model AUCN8867FL) delivers Grade 1 security for commercial doors. Designed for offices, schools, and institutional buildings, this lock combines a reinforced stainless steel deadbolt with vandal-resistant trim to...
    Qty in Cart: 0
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    Price:
    MSRP: $1,090.00
    $594.16
    Subtotal:
  • Yale 8800 Series CRR8812-2FL 626 Mortise Lock Yale 8800 Series CRR8812-2FL 626 Mortise Lock
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    Yale 8800 Series CRR8812-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,305.00
    $706.23
    The Yale 8800 Series mortise lock delivers uncompromising strength for commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this ANSI/BHMA Grade 1 certified lock solves security and durability concerns...
    Qty in Cart: 0
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    MSRP: $1,305.00
    $706.23
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  • Yale 8800 Series JNR8808FL 626 Mortise Lock Trim Pack Yale 8800 Series JNR8808FL 626 Mortise Lock Trim Pack
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    Yale 8800 Series JNR8808FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack is a Grade 1 commercial-duty solution for interior and exterior doors requiring maximum security and durability. Heavy-duty stainless steel construction, reinforced deadbolt, and vandal-resistant trim protect...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 JNR8822FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 JNR8822FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8800 JNR8822FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,372.00
    $734.23
    The Yale 8800 Series JNR8822FL is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. It features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing. Ideal...
    Qty in Cart: 0
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    Price:
    MSRP: $1,372.00
    $734.23
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  • Yale 8800 Series CRR8801FL Mortise Lock Trim Pack, 626 Finish Yale 8800 Series CRR8801FL Mortise Lock Trim Pack, 626 Finish
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    Yale 8800 Series CRR8801FL Mortise Lock Trim Pack, 626 Finish

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a commercial-grade security solution designed for high-traffic doors and demanding applications. Built with reinforced stainless steel components and field-reversible handing, it solves the need for reliable,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 Series JNR8801FL Mortise Lock Trim Pack Yale 8800 Series JNR8801FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8801FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for interior and exterior doors. Designed for facilities managers and building owners, this ANSI/BHMA Grade 1 certified lock combines reinforced stainless steel construction...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • YALARR8822FL 626 L TRIM PACK Yale Mortise Lock YALARR8822FL 626 L TRIM PACK Yale Mortise Lock
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    YALARR8822FL 626 L TRIM PACK Yale Mortise Lock

    Yale/Accentra
    MSRP: $964.00
    $550.79
    YALARR8822FL 626 L 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
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series JNR8818-2FL Mortise Lock Trim Pack Yale 8800 Series JNR8818-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8818-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty solution for businesses and institutions requiring uncompromising security. Its reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible design solve the challenge of...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale Mortise Lock 8800FL Series, Satin Chrome, Classroom Yale Mortise Lock 8800FL Series, Satin Chrome, Classroom
    Quick view

    Yale Mortise Lock 8800FL Series, Satin Chrome, Classroom

    Yale/Accentra
    MSRP: $1,053.00
    $577.55
    The Yale 8800FL mortise lock is a commercial-grade entry lock designed for classrooms, offices, and institutional buildings requiring reliable access control. This single-cylinder model features a Monroe lever with thumbturn function, allowing authorized...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,053.00
    $577.55
    Subtotal:
  • Yale 8800 Series MOR8861FL Mortise Lock, 626 Finish Yale 8800 Series MOR8861FL Mortise Lock, 626 Finish
    Quick view

    Yale 8800 Series MOR8861FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock (MOR8861FL) is a commercial-grade security solution for interior and exterior doors in office buildings, retail, hospitality and institutional settings. Its reinforced stainless steel deadbolt and heavy-duty trim resist...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • Yale 8800 Series JNR8823FL Mortise Lock, 626 Finish Yale 8800 Series JNR8823FL Mortise Lock, 626 Finish
    Quick view

    Yale 8800 Series JNR8823FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,372.00
    $734.23
    The Yale 8800 Series mortise lock is a commercial-grade locking mechanism designed for doors in offices, retail, hospitality and institutional settings. It solves the need for reliable, durable security with ANSI/BHMA Grade 1 certification, a reinforced...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,372.00
    $734.23
    Subtotal:
  • Yale 8800 Series AUCN8833FL 626 Mortise Lock Trim Pack Yale 8800 Series AUCN8833FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series AUCN8833FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack is engineered for commercial doors demanding ANSI/BHMA Grade 1 strength and durability. This complete trim assembly features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant hardware, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
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