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 JNR8860-2FL Mortise Lock Trim Pack Yale 8800 Series JNR8860-2FL Mortise Lock Trim Pack
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    Yale 8800 Series JNR8860-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. This trim pack fits standard 1-3/4" doors and suits facilities, offices, and high-traffic entrances where reinforced stainless steel...
    Qty in Cart: 0
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    MSRP: $991.00
    $562.45
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  • Yale 8800 Series CRR8862FL 625 Mortise Lock Yale 8800 Series CRR8862FL 625 Mortise Lock
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    Yale 8800 Series CRR8862FL 625 Mortise Lock

    Yale/Accentra
    MSRP: $1,064.00
    $582.29
    The Yale 8800 Series mortise lock delivers commercial-grade security for office buildings, hotels, and institutional facilities. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim...
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    MSRP: $1,064.00
    $582.29
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  • Yale 8800 Series PBR8820FL 605 Mortise Lock Trim Pack Yale 8800 Series PBR8820FL 605 Mortise Lock Trim Pack
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    Yale 8800 Series PBR8820FL 605 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series PBR8820FL mortise lock trim pack delivers Grade 1 security for commercial doors requiring uncompromising strength and durability. Heavy-duty stainless steel construction, vandal-resistant trim, and a reinforced deadbolt protect...
    Qty in Cart: 0
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    MSRP: $805.00
    $471.31
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  • Yale 8800 CRR8861FL Mortise Lock, Grade 1, 625 Finish Yale 8800 CRR8861FL Mortise Lock, Grade 1, 625 Finish
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    Yale 8800 CRR8861FL Mortise Lock, Grade 1, 625 Finish

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series mortise lock delivers uncompromising strength and durability for commercial applications. ANSI/BHMA Grade 1 certified with a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire rating up to 3 hours,...
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    MSRP: $1,213.00
    $666.36
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  • Yale 8800 Series CRCN8824FL 612 Mortise Lock Trim Pack Yale 8800 Series CRCN8824FL 612 Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8824FL 612 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for high-traffic commercial doors. Engineered for strength and durability, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
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    MSRP: $828.00
    $482.00
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  • CRCN8809FL 625 Yale Mortise Lock CRCN8809FL 625 Yale Mortise Lock
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    CRCN8809FL 625 Yale Mortise Lock

    Yale/Accentra
    MSRP: $1,222.00
    $670.64
    The Yale 8800 Series Mortise Lock (CRCN8809FL 625) delivers ANSI/BHMA Grade 1 certified security for commercial doors. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible handing, this lock is...
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    MSRP: $1,222.00
    $670.64
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  • Yale 8824FL Mortise Lock, Grade 1, Satin Brass Yale 8824FL Mortise Lock, Grade 1, Satin Brass
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    Yale 8824FL Mortise Lock, Grade 1, Satin Brass

    Yale/Accentra
    MSRP: $1,206.00
    $663.99
    The Yale 8824FL is a heavy-duty mortise lock engineered for commercial doors demanding ANSI/BHMA Grade 1 security and durability. Its reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible design solve the challenge of...
    Qty in Cart: 0
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    MSRP: $1,206.00
    $663.99
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  • Yale 8800 Series CRCN8817-2FL Mortise Lock Trim Pack Yale 8800 Series CRCN8817-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRCN8817-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty solution for businesses and institutions requiring uncompromising security and durability. Heavy-duty vandal-resistant trim, reinforced stainless steel deadbolt, and field-reversible design...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series AUR8827FL Mortise Lock Trim Pack Yale 8800 Series AUR8827FL Mortise Lock Trim Pack
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    Yale 8800 Series AUR8827FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series AUR8827FL mortise lock trim pack is engineered for high-security commercial doors requiring ANSI/BHMA Grade 1 strength and durability. Heavy-duty stainless steel construction with a reinforced deadbolt and vandal-resistant trim...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series Mortise Lock Trim Pack AUR8812-2FL Yale 8800 Series Mortise Lock Trim Pack AUR8812-2FL
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    Yale 8800 Series Mortise Lock Trim Pack AUR8812-2FL

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series Mortise Lock Trim Pack (AUR8812-2FL) is a Grade 1 heavy-duty commercial lock engineered for maximum security and durability. Ideal for high-traffic commercial doors, this lock features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series CRR8865FL 606 Mortise Lock Trim Pack Yale 8800 Series CRR8865FL 606 Mortise Lock Trim Pack
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    Yale 8800 Series CRR8865FL 606 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock trim pack is a commercial-grade entry solution designed for doors requiring maximum security and durability. Built for offices, retail, healthcare and institutional facilities, this ANSI/BHMA Grade 1 certified lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series AUR8805FL Mortise Lock Trim Pack Yale 8800 Series AUR8805FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series AUR8805FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    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 and commercial applications, it features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
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