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 MOR8829FL Mortise Lock Trim Pack Yale 8800 Series MOR8829FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8829FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for interior and exterior doors in offices, retail, and institutional buildings. 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 PNR8818-2FL 626 Mortise Lock Yale 8800 PNR8818-2FL 626 Mortise Lock
    Quick view

    Yale 8800 PNR8818-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,491.00
    $815.49
    The Yale 8800 Series mortise lock delivers commercial-grade security for interior and exterior doors in offices, schools, and institutional buildings. Its reinforced stainless steel deadbolt, field-reversible design, and ANSI/BHMA Grade 1 certification...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,491.00
    $815.49
    Subtotal:
  • Yale 8864FL 626 Grade 1 Mortise Lock Yale 8864FL 626 Grade 1 Mortise Lock
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    Yale 8864FL 626 Grade 1 Mortise Lock

    Yale/Accentra
    MSRP: $1,385.00
    $739.45
    The Yale 8864FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring maximum strength and reliability. Designed for applications where durability and vandal resistance matter, this heavy-duty lock features a reinforced...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,385.00
    $739.45
    Subtotal:
  • Yale 8800 AUR8812-2FL Mortise Lock, 2-3/4" Backset, Satin Chrome Yale 8800 AUR8812-2FL Mortise Lock, 2-3/4" Backset, Satin Chrome
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    Yale 8800 AUR8812-2FL Mortise Lock, 2-3/4" Backset, Satin Chrome

    Yale/Accentra
    MSRP: $1,305.00
    $706.23
    The Yale 8800 Series AUR8812-2FL is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security. Its reinforced stainless steel deadbolt and vandal-resistant trim deliver uncompromising strength for office buildings,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,305.00
    $706.23
    Subtotal:
  • Yale 8800 Series MOR8835FL Mortise Lock Trim Pack Yale 8800 Series MOR8835FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8835FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolts and vandal-resistant trim, this lock is engineered for high-traffic applications requiring...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series CRR8864FL Mortise Lock, Satin Chrome Yale 8800 Series CRR8864FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series CRR8864FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,385.00
    $739.45
    The Yale 8800 Series mortise lock combines commercial-grade security with easy installation for office buildings, retail spaces, and institutional facilities. Its reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,385.00
    $739.45
    Subtotal:
  • Yale 8800 Series PNR8824FL Mortise Lock, 626 Finish Yale 8800 Series PNR8824FL Mortise Lock, 626 Finish
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    Yale 8800 Series PNR8824FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,342.00
    $721.42
    The Yale 8800 Series PNR8824FL is a commercial-grade mortise lock built for high-security applications in offices, hospitals, schools, and institutional buildings. It features a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim to...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,342.00
    $721.42
    Subtotal:
  • Yale 8823FL 626 Mortise Lock Trim Pack Yale 8823FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8823FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock delivers uncompromising strength for demanding commercial applications. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1 certification, this lock is built for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series PNR8827FL Mortise Lock, Grade 1 Yale 8800 Series PNR8827FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series PNR8827FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,513.00
    $824.51
    The Yale 8800 Series mortise lock (model PNR8827FL) is a commercial-grade security solution for interior and exterior doors in offices, schools, and institutional buildings. Designed for uncompromising strength and durability, it features a reinforced...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,513.00
    $824.51
    Subtotal:
  • Yale 8800 Series CRR8829FL 626 Mortise Lock Trim Pack Yale 8800 Series CRR8829FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8829FL 626 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 interior and exterior doors in office buildings, schools, and institutional facilities. It combines reinforced stainless steel deadbolts, heavy-duty vandal-resistant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series PNR8820FL Mortise Lock, Grade 1 Yale 8800 Series PNR8820FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series PNR8820FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,513.00
    $824.51
    The Yale 8800 Series PNR8820FL is a heavy-duty mortise lock engineered for commercial doors requiring uncompromising strength and security. Designed for managers, facility directors, and building owners, it solves the need for ANSI/BHMA Grade 1 certified...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,513.00
    $824.51
    Subtotal:
  • Yale 8800 Series CRCN8824FL Mortise Lock, Satin Chrome Yale 8800 Series CRCN8824FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series CRCN8824FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,179.00
    $652.60
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength and durability. This heavy-duty lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,179.00
    $652.60
    Subtotal:
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