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 PNR8860FL 612 Mortise Lock Trim Pack Yale 8800 Series PNR8860FL 612 Mortise Lock Trim Pack
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    Yale 8800 Series PNR8860FL 612 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial solution for organizations requiring ANSI/BHMA Grade 1 security and durability. Featuring reinforced stainless steel construction, vandal-resistant trim, and UL/cUL fire-rating up to...
    Qty in Cart: 0
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    Price:
    MSRP: $991.00
    $562.45
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  • Yale 8800 Series PBR8812-2FL Mortise Lock, 625 Brass Yale 8800 Series PBR8812-2FL Mortise Lock, 625 Brass
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    Yale 8800 Series PBR8812-2FL Mortise Lock, 625 Brass

    Yale/Accentra
    MSRP: $1,332.00
    $717.62
    The Yale 8800 Series mortise lock delivers uncompromising strength for demanding commercial applications. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and quick lever handing for...
    Qty in Cart: 0
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    Price:
    MSRP: $1,332.00
    $717.62
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  • Yale 8800 Series CRR8812-2FL Mortise Lock Trim Pack Yale 8800 Series CRR8812-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8812-2FL 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:
  • Yale 8800 Series PBR8808FL 625 Mortise Lock Trim Pack Yale 8800 Series PBR8808FL 625 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8808FL 625 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a heavy-duty commercial solution for applications demanding maximum security and durability. Designed for doors up to 3.25 inches thick, this ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series PBR8867FL Mortise Lock Trim Pack Yale 8800 Series PBR8867FL Mortise Lock Trim Pack
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    Yale 8800 Series PBR8867FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series PBR8867FL mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors requiring heavy-duty performance and vandal resistance. Built with reinforced stainless steel deadbolt and field-reversible latchbolt, this...
    Qty in Cart: 0
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    Price:
    MSRP: $805.00
    $471.31
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  • Yale 8800 Series PBR8811-2FL 625 Mortise Lock Yale 8800 Series PBR8811-2FL 625 Mortise Lock
    Quick view

    Yale 8800 Series PBR8811-2FL 625 Mortise Lock

    Yale/Accentra
    MSRP: $1,332.00
    $717.62
    The Yale 8800 Series mortise lock delivers commercial-grade security for high-traffic doors in offices, schools, hospitals and public buildings. Its reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,332.00
    $717.62
    Subtotal:
  • Yale 8800 Series CRCN8860FL 619 Mortise Lock Trim Pack Yale 8800 Series CRCN8860FL 619 Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8860FL 619 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock trim pack is engineered for commercial doors requiring ANSI/BHMA Grade 1 certified security and durability. This heavy-duty solution features a reinforced stainless steel deadbolt, vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series PBR8811-2FL Mortise Lock Trim Pack Yale 8800 Series PBR8811-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8811-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a heavy-duty Grade 1 solution for commercial doors demanding maximum security and durability. Featuring a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing, this lock handles...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 PNR8807FL 606 Mortise Lock Yale 8800 PNR8807FL 606 Mortise Lock
    Quick view

    Yale 8800 PNR8807FL 606 Mortise Lock

    Yale/Accentra
    MSRP: $1,369.00
    $732.81
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 certified security for commercial doors. Engineered with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock handles high-traffic applications where strength...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,369.00
    $732.81
    Subtotal:
  • Yale 8800 Series CRCN8830-2FL Mortise Lock Trim Pack Yale 8800 Series CRCN8830-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRCN8830-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock is a commercial-grade security solution designed for buildings requiring ANSI/BHMA Grade 1 durability. This trim pack includes heavy-duty vandal-resistant hardware, reinforced stainless steel deadbolt, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series JNCN8847FL Mortise Lock, Grade 1 Yale 8800 Series JNCN8847FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series JNCN8847FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,422.00
    $786.06
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty lock built for doors that demand uncompromising strength and security. Ideal for high-traffic commercial buildings, offices, and facilities, it features a reinforced stainless steel deadbolt...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,422.00
    $786.06
    Subtotal:
  • Yale 8800 Series MOR8822FL Mortise Lock, Grade 1 Yale 8800 Series MOR8822FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series MOR8822FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series mortise lock is a heavy-duty Grade 1 commercial lock designed for doors requiring maximum security and durability. Built with reinforced stainless steel deadbolts and vandal-resistant trim, it solves the need for reliable access...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
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