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 CRCN8802FL Mortise Lock Trim Pack Yale 8800 Series CRCN8802FL Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8802FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 commercial-grade security for interior and exterior doors. Built for high-traffic commercial applications, this reinforced stainless steel deadbolt resists vandalism and meets...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series AUR8867FL Mortise Lock Trim Pack Yale 8800 Series AUR8867FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series AUR8867FL 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 high-traffic commercial doors. Built with reinforced stainless steel deadbolts and vandal-resistant trim, this lock is engineered for uncompromising strength and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 CRCN8808FL 605 Mortise Lock, Grade 1 Yale 8800 CRCN8808FL 605 Mortise Lock, Grade 1
    Quick view

    Yale 8800 CRCN8808FL 605 Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,206.00
    $663.99
    The Yale 8800 Series mortise lock delivers uncompromising strength and durability for demanding commercial applications. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1 certification, this lock is...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,206.00
    $663.99
    Subtotal:
  • Yale 8822FL 612 Mortise Lock, Grade 1, Stainless Steel Yale 8822FL 612 Mortise Lock, Grade 1, Stainless Steel
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    Yale 8822FL 612 Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale 8822FL 612 is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Featuring a reinforced stainless steel deadbolt and vandal-resistant trim, this lock suits office buildings, retail...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale 8800 Series CRCN8807FL 612 Mortise Lock Trim Pack Yale 8800 Series CRCN8807FL 612 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRCN8807FL 612 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 security and durability. This complete trim assembly solves the need for heavy-duty locking on high-traffic entry doors, offering field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series AUR8809FL Mortise Lock Trim Pack Yale 8800 Series AUR8809FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series AUR8809FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a commercial-grade security solution engineered for high-traffic doors and demanding applications. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8862FL 625 Mortise Lock, Grade 1, Stainless Steel AUR8862FL 625 Yale Mortise Lock
    Quick view

    Yale 8862FL 625 Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $1,064.00
    $582.29
    The Yale 8862FL 625 is a heavy-duty mortise lock engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel deadbolts and vandal-resistant trim, it suits schools, offices, hospitals and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,064.00
    $582.29
    Subtotal:
  • Yale 8800 Series CRR8862FL 605 Mortise Lock Trim Pack Yale 8800 Series CRR8862FL 605 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8862FL 605 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 high-traffic commercial doors. Built with reinforced stainless steel deadbolts and vandal-resistant trim, this lock handles demanding institutional, office and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale Accentra 8800 Series Mortise Lock Trim Pack Yale Accentra 8800 Series Mortise Lock Trim Pack
    Quick view

    Yale Accentra 8800 Series Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale Accentra AUCN8808FL 612 Trim Pack is a Grade 1 mortise lock designed for commercial doors requiring maximum security and durability. Built with reinforced stainless steel components and vandal-resistant trim, it solves the need for reliable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 Series CRR8830-2FL Mortise Lock Trim Pack Yale 8800 Series CRR8830-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8830-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is engineered for commercial applications demanding uncompromising strength and durability. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series AUR8864FL Mortise Lock, Grade 1 Yale 8800 Series AUR8864FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series AUR8864FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,412.00
    $780.84
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring maximum strength and durability. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible design, this...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,412.00
    $780.84
    Subtotal:
  • Yale 8800 Series CRR8867FL 606 Mortise Lock Trim Pack Yale 8800 Series CRR8867FL 606 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8867FL 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 uncompromising security and durability. This Grade 1 ANSI/BHMA certified lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
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