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 CRR8817-2FL Mortise Lock, Satin Chrome Yale 8800 Series CRR8817-2FL Mortise Lock, Satin Chrome
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    Yale 8800 Series CRR8817-2FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,275.00
    $693.42
    The Yale 8800 Series mortise lock delivers commercial-grade security and durability for institutional and commercial doors. Featuring a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this ANSI/BHMA Grade 1 certified lock suits...
    Qty in Cart: 0
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    MSRP: $1,275.00
    $693.42
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  • Yale CRR8805FL 626 ICLC Mortise Lock Yale CRR8805FL 626 ICLC Mortise Lock
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    Yale CRR8805FL 626 ICLC Mortise Lock

    Yale/Accentra
    MSRP: $1,156.00
    $622.16
    The Yale 8800 Series CRR8805FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolt and vandal-resistant trim, it handles high-traffic entrances, storefronts, and institutional applications...
    Qty in Cart: 0
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    MSRP: $1,156.00
    $622.16
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  • Yale CRR8805FL 626 LC Mortise Lock, Grade 1 Yale CRR8805FL 626 LC Mortise Lock, Grade 1
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    Yale CRR8805FL 626 LC Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale 8800 Series CRR8805FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible design, this lock handles high-traffic entrances,...
    Qty in Cart: 0
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    Price:
    MSRP: $1,037.00
    $570.90
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  • Yale 8800 Series CRR8827FL Mortise Lock, Satin Chrome Yale 8800 Series CRR8827FL Mortise Lock, Satin Chrome
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    Yale 8800 Series CRR8827FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,327.00
    $715.25
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for demanding commercial applications. This heavy-duty lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing for flexible...
    Qty in Cart: 0
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    Price:
    MSRP: $1,327.00
    $715.25
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  • Yale 8800 Series MOR8827FL Mortise Lock Trim Pack Yale 8800 Series MOR8827FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8827FL 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 doors. Engineered for strength and durability, this ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
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  • Yale AUR8805FL 626 Mortise Lock, Grade 1, Satin Chrome Yale AUR8805FL 626 Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale AUR8805FL 626 Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale AUR8805FL is an ANSI/BHMA Grade 1 mortise lock built for high-security commercial applications requiring uncompromising strength. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire rating up to 3...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,037.00
    $570.90
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  • Yale 8800 MOR8864FL Mortise Lock, Grade 1, 626 Finish Yale 8800 MOR8864FL Mortise Lock, Grade 1, 626 Finish
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    Yale 8800 MOR8864FL Mortise Lock, Grade 1, 626 Finish

    Yale/Accentra
    MSRP: $1,385.00
    $739.45
    The Yale 8800 Series MOR8864FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock handles high-traffic applications demanding...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,385.00
    $739.45
    Subtotal:
  • Yale 8800 Series Mortise Lock Trim Pack MOR8864FL 626 Yale 8800 Series Mortise Lock Trim Pack MOR8864FL 626
    Quick view

    Yale 8800 Series Mortise Lock Trim Pack MOR8864FL 626

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series Mortise Lock is a heavy-duty commercial lock designed for doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel components and vandal-resistant trim, it solves the need for reliable access...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series MOR8867FL 626 Mortise Lock Trim Pack Yale 8800 Series MOR8867FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8867FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series MOR8867FL mortise lock trim pack delivers Grade 1 commercial-grade security for high-traffic doors in offices, hospitals, schools and government buildings. Heavy-duty stainless steel construction, reinforced deadbolt and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series AUR8807FL Mortise Lock, Satin Chrome Yale 8800 Series AUR8807FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series AUR8807FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale 8800 Series AUR8807FL is a heavy-duty mortise lock built for commercial doors requiring ANSI/BHMA Grade 1 strength and security. Ideal for office buildings, hotels, and institutional facilities, this lock combines a reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,037.00
    $570.90
    Subtotal:
  • Yale 8800 Series AUR8822FL 626 Mortise Lock Yale 8800 Series AUR8822FL 626 Mortise Lock
    Quick view

    Yale 8800 Series AUR8822FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty lock for offices, schools, and institutional buildings requiring ANSI/BHMA certified security. Its reinforced stainless steel deadbolt and vandal-resistant trim solve common security and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • Yale 8801FL 626 Mortise Lock, Grade 1, Stainless Steel Yale 8801FL 626 Mortise Lock, Grade 1, Stainless Steel
    Quick view

    Yale 8801FL 626 Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $568.00
    $346.25
    The Yale 8801FL 626 is a heavy-duty mortise lock built for commercial doors requiring uncompromising security and durability. ANSI/BHMA Grade 1 certified with a reinforced stainless steel deadbolt, 3/4 inch throw latchbolt, and vandal-resistant trim, it...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $568.00
    $346.25
    Subtotal:
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