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 JNCN8867FL Mortise Lock, Grade 1 Yale 8800 Series JNCN8867FL Mortise Lock, Grade 1
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    Yale 8800 Series JNCN8867FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,422.00
    $786.06
    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 and vandal-resistant trim, solving security...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,422.00
    $786.06
    Subtotal:
  • Yale 8800 Series JNCN8861FL Mortise Lock, Grade 1 Yale 8800 Series JNCN8861FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series JNCN8861FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,422.00
    $786.06
    The Yale 8800 Series mortise lock is a heavy-duty, Grade 1 certified lock designed for commercial doors requiring uncompromising strength and security. Built with reinforced stainless steel deadbolts and vandal-resistant trim, it solves the need for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,422.00
    $786.06
    Subtotal:
  • Yale 8800 Series PBR8861FL Mortise Lock, Satin Chrome Yale 8800 Series PBR8861FL Mortise Lock, Satin Chrome
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    Yale 8800 Series PBR8861FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series mortise lock (model PBR8861FL) delivers Grade 1 security for commercial doors. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, it solves the need for durable access control in high-traffic...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale 8800 Series JNCN8832FL 606 Mortise Lock Trim Pack Yale 8800 Series JNCN8832FL 606 Mortise Lock Trim Pack
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    Yale 8800 Series JNCN8832FL 606 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $1,014.00
    $573.14
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial lock designed for maximum security and durability. Built for offices, schools, hospitals and institutional buildings, it features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,014.00
    $573.14
    Subtotal:
  • Yale 8800 Series PBR8861FL Mortise Lock, 625 Finish Yale 8800 Series PBR8861FL Mortise Lock, 625 Finish
    Quick view

    Yale 8800 Series PBR8861FL Mortise Lock, 625 Finish

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series PBR8861FL mortise lock delivers uncompromising strength and durability for commercial doors. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1 certification, this lock is built...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale 8800 Series PBR8805FL Mortise Lock Trim Pack Yale 8800 Series PBR8805FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8805FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is engineered for commercial doors requiring uncompromising strength and security. This Grade 1 certified trim pack suits facilities managers, building owners, and security professionals who need ANSI/BHMA-rated hardware...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 CRR8822FL Mortise Lock, Grade 1, Stainless Steel Yale 8800 CRR8822FL Mortise Lock, Grade 1, Stainless Steel
    Quick view

    Yale 8800 CRR8822FL Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series CRR8822FL mortise lock delivers ANSI/BHMA Grade 1 security for high-traffic commercial doors. Its reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim solve durability concerns in demanding applications. Quick...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale 8800 Series CRR8820FL Mortise Lock Trim Pack Yale 8800 Series CRR8820FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8820FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength and durability. Built with reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock solves...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series CRR8824FL 606 Mortise Lock Yale 8800 Series CRR8824FL 606 Mortise Lock
    Quick view

    Yale 8800 Series CRR8824FL 606 Mortise Lock

    Yale/Accentra
    MSRP: $1,183.00
    $653.55
    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 that simplifies...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,183.00
    $653.55
    Subtotal:
  • Yale 8800 Series PBR8805FL 606 Mortise Lock Trim Pack Yale 8800 Series PBR8805FL 606 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8805FL 606 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock trim pack is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, this lock suits high-traffic...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 PBR8860FL Mortise Lock, Grade 1, 606 Finish Yale 8800 PBR8860FL Mortise Lock, Grade 1, 606 Finish
    Quick view

    Yale 8800 PBR8860FL Mortise Lock, Grade 1, 606 Finish

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8800 Series PBR8860FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength and durability. Built with a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, this lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale 8800 Series Mortise Lock MOCN8861FL 606 Yale 8800 Series Mortise Lock MOCN8861FL 606
    Quick view

    Yale 8800 Series Mortise Lock MOCN8861FL 606

    Yale/Accentra
    MSRP: $1,236.00
    $676.81
    The Yale 8800 Series 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 suits high-traffic entrances, offices, and institutional...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,236.00
    $676.81
    Subtotal:
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