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 JNR8817-2FL Mortise Lock, Satin Chrome Yale 8800 Series JNR8817-2FL Mortise Lock, Satin Chrome
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    Yale 8800 Series JNR8817-2FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,461.00
    $802.68
    The Yale 8800 Series mortise lock is a heavy-duty commercial locking solution designed for interior and exterior doors in offices, schools, and institutional buildings. It combines a reinforced stainless steel deadbolt with vandal-resistant trim to...
    Qty in Cart: 0
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    Price:
    MSRP: $1,461.00
    $802.68
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  • Yale 8800 Series CRCN8862FL Mortise Lock, 626 Finish Yale 8800 Series CRCN8862FL Mortise Lock, 626 Finish
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    Yale 8800 Series CRCN8862FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,060.00
    $581.34
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty lock designed for doors requiring uncompromising strength and security. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, it solves the need for reliable...
    Qty in Cart: 0
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    MSRP: $1,060.00
    $581.34
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  • Yale 8800 Series AUCN8860FL Mortise Lock, Satin Chrome Yale 8800 Series AUCN8860FL Mortise Lock, Satin Chrome
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    Yale 8800 Series AUCN8860FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,090.00
    $594.16
    The Yale 8800 Series mortise lock delivers commercial-grade security for interior and exterior doors. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this ANSI/BHMA Grade 1 certified lock is engineered for...
    Qty in Cart: 0
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    MSRP: $1,090.00
    $594.16
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  • Yale 8800 Series JNR8811-2FL Mortise Lock Trim Pack Yale 8800 Series JNR8811-2FL Mortise Lock Trim Pack
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    Yale 8800 Series JNR8811-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock is a commercial-grade entry solution designed for buildings requiring uncompromising strength and security. This trim pack is ideal for new installations and retrofits on standard 1-3/4" doors where ANSI/BHMA Grade 1...
    Qty in Cart: 0
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    MSRP: $964.00
    $550.79
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  • Yale 8800 Series CRR8827FL 626 Mortise Lock Trim Pack Yale 8800 Series CRR8827FL 626 Mortise Lock Trim Pack
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    Yale 8800 Series CRR8827FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series CRR8827FL mortise lock trim pack delivers commercial-grade security for interior and exterior doors in offices, hotels, hospitals, and multi-tenant buildings. Its reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim,...
    Qty in Cart: 0
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    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 JNR8811-2FL 626 Mortise Lock Yale 8800 JNR8811-2FL 626 Mortise Lock
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    Yale 8800 JNR8811-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,491.00
    $815.49
    The Yale 8800 Series JNR8811-2FL mortise lock delivers uncompromising strength and durability for commercial applications requiring ANSI/BHMA Grade 1 certification. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
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    Price:
    MSRP: $1,491.00
    $815.49
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  • Yale 8834FL 626 Mortise Lock Trim Pack Yale 8834FL 626 Mortise Lock Trim Pack
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    Yale 8834FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8834FL 626 Trim Pack is a commercial-grade mortise lock designed for applications requiring ANSI/BHMA Grade 1 certification and long-term durability. This complete trim assembly solves security and reliability challenges in high-traffic...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
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  • Yale 8800 Series JNR8823FL 626 Mortise Lock Trim Pack Yale 8800 Series JNR8823FL 626 Mortise Lock Trim Pack
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    Yale 8800 Series JNR8823FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series JNR8823FL mortise lock trim pack delivers commercial-grade security for offices, schools, and institutional buildings. Heavy-duty stainless steel construction with a reinforced deadbolt and vandal-resistant trim provides ANSI/BHMA...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series CRR8823FL 626 Mortise Lock Trim Pack Yale 8800 Series CRR8823FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8823FL 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 high-traffic interior doors. Designed for offices, schools, and institutions, this ANSI/BHMA Grade 1 certified lock combines a reinforced stainless steel deadbolt with...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 CRR8823FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 CRR8823FL Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale 8800 CRR8823FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for demanding commercial door applications. Built with a reinforced stainless steel deadbolt, vandal-resistant trim, and UL/cUL fire-rating up to 3 hours, this lock provides...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • Yale 8800 Series CRR8820FL Mortise Lock, Satin Chrome Yale 8800 Series CRR8820FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series CRR8820FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,327.00
    $715.25
    The Yale 8800 Series CRR8820FL is a commercial-grade mortise lock engineered for demanding applications requiring uncompromising strength and durability. Ideal for office buildings, retail spaces, and institutional facilities, this lock solves security...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,327.00
    $715.25
    Subtotal:
  • YALARR8827FL 626 L TRIM PACK Yale Mortise Lock YALARR8827FL 626 L TRIM PACK Yale Mortise Lock
    Quick view

    YALARR8827FL 626 L TRIM PACK Yale Mortise Lock

    Yale/Accentra
    MSRP: $964.00
    $550.79
    YALARR8827FL 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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