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 CRCN8862FL Mortise Lock Trim Pack Yale 8800 Series CRCN8862FL Mortise Lock Trim Pack
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    Yale 8800 Series CRCN8862FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $828.00
    $482.00
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial solution for facilities requiring uncompromising security and durability. Featuring a reinforced stainless steel deadbolt, vandal-resistant trim, and ANSI/BHMA Grade 1 certification,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $828.00
    $482.00
    Subtotal:
  • Yale 8800 MOR8802FL Mortise Lock, Grade 1, 625 Finish Yale 8800 MOR8802FL Mortise Lock, Grade 1, 625 Finish
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    Yale 8800 MOR8802FL Mortise Lock, Grade 1, 625 Finish

    Yale/Accentra
    MSRP: $1,094.00
    $595.11
    The Yale 8800 Series MOR8802FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength. Built with a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire rating up to 3...
    Qty in Cart: 0
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    MSRP: $1,094.00
    $595.11
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  • Yale 8800 Series MOR8812-2FL Mortise Lock Trim Pack Yale 8800 Series MOR8812-2FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8812-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty solution for office buildings, hotels, and institutional facilities requiring uncompromising strength. Its reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series MOR8811-2FL Mortise Lock Trim Pack Yale 8800 Series MOR8811-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8811-2FL 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. Designed for offices, schools and institutional buildings, this reinforced stainless steel deadbolt resists vandalism and forced entry while quick lever...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 JNR8809FL Mortise Lock, Grade 1, Satin Brass Yale 8800 JNR8809FL Mortise Lock, Grade 1, Satin Brass
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    Yale 8800 JNR8809FL Mortise Lock, Grade 1, Satin Brass

    Yale/Accentra
    MSRP: $1,385.00
    $739.45
    The Yale 8800 Series JNR8809FL 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 UL/cUL fire-rating up to 3 hours...
    Qty in Cart: 0
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    Price:
    MSRP: $1,385.00
    $739.45
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  • Yale 8800 Series PBR8832FL Mortise Lock Trim Pack Yale 8800 Series PBR8832FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8832FL 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. This heavy-duty lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible handing,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
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  • Yale 8800 Series CRR8812-2FL 625 Mortise Lock Yale 8800 Series CRR8812-2FL 625 Mortise Lock
    Quick view

    Yale 8800 Series CRR8812-2FL 625 Mortise Lock

    Yale/Accentra
    MSRP: $1,332.00
    $717.62
    The Yale 8800 Series mortise lock delivers commercial-grade security for interior and exterior doors in offices, schools, and institutional buildings. Its reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim provide ANSI/BHMA Grade 1...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,332.00
    $717.62
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  • Yale 8800 Series PBR8861FL Mortise Lock, Grade 1 Yale 8800 Series PBR8861FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series PBR8861FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    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 quick lever handing, this lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
  • Yale Accentra 8860 Mortise Lock, 2-3/4" Backset, Satin Chrome Yale Accentra 8860 Mortise Lock, 2-3/4" Backset, Satin Chrome
    Quick view

    Yale Accentra 8860 Mortise Lock, 2-3/4" Backset, Satin Chrome

    Yale/Accentra
    MSRP: $1,355.00
    $728.06
    The Yale Accentra 8860 is a commercial-grade mortise lock designed for doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel deadbolts and heavy-duty vandal-resistant trim, this lock suits office buildings,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,355.00
    $728.06
    Subtotal:
  • Yale 8800 Series PBR8861FL Mortise Lock Trim Pack Yale 8800 Series PBR8861FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8861FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series PBR8861FL mortise lock trim pack delivers commercial-grade security for interior and exterior doors in offices, hospitals, and institutional buildings. Its reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 JNR8808FL 612 Mortise Lock Trim Pack Yale 8800 JNR8808FL 612 Mortise Lock Trim Pack
    Quick view

    Yale 8800 JNR8808FL 612 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series JNR8808FL mortise lock trim pack delivers commercial-grade security for interior and passage doors in offices, hotels, and institutional buildings. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PBR8809FL 625 Mortise Lock Trim Pack Yale 8800 Series PBR8809FL 625 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8809FL 625 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 for doors requiring ANSI/BHMA Grade 1 security and durability. Designed for offices, retail, and institutional buildings, it delivers reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
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