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 8833 Mortise Lock, Grade 1, Satin Chrome Yale 8833 Mortise Lock, Grade 1, Satin Chrome
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    Yale 8833 Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,179.00
    $652.60
    The Yale 8833 is a heavy-duty mortise lock built for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Its reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible design make it ideal for high-traffic...
    Qty in Cart: 0
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    MSRP: $1,179.00
    $652.60
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  • Yale 8800 Series JNR8808-2FL Mortise Lock Trim Pack Yale 8800 Series JNR8808-2FL Mortise Lock Trim Pack
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    Yale 8800 Series JNR8808-2FL 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 facilities requiring maximum security and durability. Designed for doors up to 3-1/4" thick, it features a reinforced stainless steel deadbolt, vandal-resistant trim, and...
    Qty in Cart: 0
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    MSRP: $964.00
    $550.79
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  • Yale 8800 Series CRR8812-2FL Mortise Lock Trim Pack Yale 8800 Series CRR8812-2FL Mortise Lock Trim Pack
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    Yale 8800 Series CRR8812-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a heavy-duty commercial solution for doors requiring ANSI/BHMA Grade 1 security and durability. Designed for institutional, hospitality and office buildings, it features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series JNR8822FL Mortise Lock Trim Pack Yale 8800 Series JNR8822FL Mortise Lock Trim Pack
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    Yale 8800 Series JNR8822FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. This complete trim assembly features a reinforced stainless steel deadbolt, vandal-resistant hardware, and...
    Qty in Cart: 0
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    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8862FL 626 Mortise Lock, Grade 1 Yale 8862FL 626 Mortise Lock, Grade 1
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    Yale 8862FL 626 Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,060.00
    $581.34
    The Yale 8862FL mortise lock is a heavy-duty commercial security solution for interior and exterior doors in offices, schools, hospitals and multi-tenant buildings. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt and...
    Qty in Cart: 0
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    MSRP: $1,060.00
    $581.34
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  • Yale 8800 Series CRR8811-2FL Mortise Lock Trim Pack Yale 8800 Series CRR8811-2FL Mortise Lock Trim Pack
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    Yale 8800 Series CRR8811-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series CRR8811-2FL is a heavy-duty mortise lock trim pack engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Field-reversible handing, reinforced stainless steel deadbolt, and vandal-resistant trim make...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series MOR8860-2FL Mortise Lock Trim Pack Yale 8800 Series MOR8860-2FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8860-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a heavy-duty commercial solution for doors requiring ANSI/BHMA Grade 1 security and reliability. Designed for institutional and commercial applications, this lock combines reinforced stainless steel construction with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series JNR8802FL 626 Mortise Lock Trim Pack Yale 8800 Series JNR8802FL 626 Mortise Lock Trim Pack
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    Yale 8800 Series JNR8802FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack is a commercial-grade solution for facilities managers and security professionals who demand uncompromising strength and durability. Its reinforced stainless steel deadbolt, vandal-resistant trim, and ANSI/BHMA...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • 8867 626 Yale Mortise Lock 8867 626 Yale Mortise Lock
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    8867 626 Yale Mortise Lock

    Yale/Accentra
    MSRP: $701.00
    $425.15
    8867 626 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 reversible latchbolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $701.00
    $425.15
    Subtotal:
  • Yale 8800 Series MOCN8809FL Mortise Lock Trim Pack Yale 8800 Series MOCN8809FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOCN8809FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial solution for doors requiring ANSI/BHMA Grade 1 security and durability. Designed for institutional, corporate, and high-traffic applications, this lock combines a reinforced stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
  • Yale 8800 Series CRR8861FL Mortise Lock Trim Pack Yale 8800 Series CRR8861FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8861FL 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 doors requiring uncompromising strength and security. Designed for office buildings, retail, and institutional applications, this lock combines a reinforced stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 CRR8822FL 626 Mortise Lock Yale 8800 CRR8822FL 626 Mortise Lock
    Quick view

    Yale 8800 CRR8822FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series CRR8822FL 626 is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Featuring a reinforced stainless steel deadbolt, vandal-resistant trim, and UL/cUL fire-rating up to 3...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
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