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 PNR8847FL Mortise Lock, Grade 1 Yale 8800 Series PNR8847FL Mortise Lock, Grade 1
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    Yale 8800 Series PNR8847FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,372.00
    $734.23
    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 demands...
    Qty in Cart: 0
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    Price:
    MSRP: $1,372.00
    $734.23
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  • Yale 8800 Series PNCN8807FL Mortise Lock, 626 Finish Yale 8800 Series PNCN8807FL Mortise Lock, 626 Finish
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    Yale 8800 Series PNCN8807FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,365.00
    $731.86
    The Yale 8800 Series mortise lock is a heavy-duty commercial lock designed for doors requiring ANSI/BHMA Grade 1 security and durability. With a reinforced stainless steel deadbolt, vandal-resistant trim, and UL/cUL fire rating up to 3 hours, it solves...
    Qty in Cart: 0
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    MSRP: $1,365.00
    $731.86
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  • Yale 8800 Series CRR8832FL Mortise Lock Trim Pack Yale 8800 Series CRR8832FL Mortise Lock Trim Pack
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    Yale 8800 Series CRR8832FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is engineered for commercial applications demanding maximum security and durability. This trim pack features a reinforced stainless steel deadbolt, vandal-resistant hardware, and ANSI/BHMA Grade 1 certification...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series Mortise Lock Trim Pack Yale 8800 Series Mortise Lock Trim Pack
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    Yale 8800 Series Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $987.00
    $561.48
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for mid to high-traffic doors. Designed for offices, retail, hospitality and institutional buildings, this ANSI/BHMA Grade 1 certified lock combines a reinforced stainless...
    Qty in Cart: 0
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    MSRP: $987.00
    $561.48
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  • Yale 8800 Series CRR8865FL Mortise Lock Trim Pack Yale 8800 Series CRR8865FL Mortise Lock Trim Pack
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    Yale 8800 Series CRR8865FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 certified security for commercial doors. Designed for institutional, corporate and industrial applications, this heavy-duty lock combines a reinforced stainless steel deadbolt with...
    Qty in Cart: 0
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    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 Series PNR8835FL Mortise Lock Trim Pack Yale 8800 Series PNR8835FL Mortise Lock Trim Pack
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    Yale 8800 Series PNR8835FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series PNR8835FL mortise lock trim pack delivers commercial-grade security for interior and passage door applications. Built for durability with reinforced stainless steel components, quick lever handing, and field-reversible design, it...
    Qty in Cart: 0
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    Price:
    MSRP: $964.00
    $550.79
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  • Yale 8800 Series Mortise Lock AUR8808-2FL 630 Yale 8800 Series Mortise Lock AUR8808-2FL 630
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    Yale 8800 Series Mortise Lock AUR8808-2FL 630

    Yale/Accentra
    MSRP: $1,302.00
    $704.81
    The Yale 8800 Series Mortise Lock (AUR8808-2FL 630) is a Grade 1 commercial mortise lock built for high-security applications in office buildings, hotels, and institutional settings. Its reinforced stainless steel deadbolt and vandal-resistant trim solve...
    Qty in Cart: 0
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    Price:
    MSRP: $1,302.00
    $704.81
    Subtotal:
  • Yale 8800 Series PNR8834-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8834-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8834-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty lock designed for high-security applications requiring uncompromising strength. Heavy-duty vandal-resistant trim, reinforced stainless steel deadbolt, and field-reversible handing make...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 CRR8828FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 CRR8828FL Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale 8800 CRR8828FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,012.00
    $560.94
    The Yale 8800 Series CRR8828FL is a heavy-duty mortise lock engineered for commercial applications demanding ANSI/BHMA Grade 1 security and durability. It features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,012.00
    $560.94
    Subtotal:
  • Yale 8800 Series PBR8862FL Mortise Lock Trim Pack 626 Yale 8800 Series PBR8862FL Mortise Lock Trim Pack 626
    Quick view

    Yale 8800 Series PBR8862FL Mortise Lock Trim Pack 626

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack is engineered for demanding commercial environments requiring ANSI/BHMA Grade 1 security and durability. This complete trim assembly solves the need for reliable access control on interior and passage doors,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series CRR8835FL Mortise Lock Trim Pack Yale 8800 Series CRR8835FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8835FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series CRR8835FL mortise lock trim pack delivers commercial-grade security for interior and exterior doors in offices, schools, healthcare facilities, and multi-tenant buildings. Its reinforced stainless steel deadbolt, vandal-resistant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • YALARR8802FL 626 L TRIM PACK Yale Mortise Lock YALARR8802FL 626 L TRIM PACK Yale Mortise Lock
    Quick view

    YALARR8802FL 626 L TRIM PACK Yale Mortise Lock

    Yale/Accentra
    MSRP: $964.00
    $550.79
    YALARR8802FL 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:
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