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 PBCN8801FL Mortise Lock, Satin Chrome Yale 8800 Series PBCN8801FL Mortise Lock, Satin Chrome
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    Yale 8800 Series PBCN8801FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,035.00
    $571.38
    The Yale 8800 Series mortise lock (PBCN8801FL) delivers ANSI/BHMA Grade 1 security for demanding commercial applications. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, it's ideal for facilities requiring maximum...
    Qty in Cart: 0
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    Price:
    MSRP: $1,035.00
    $571.38
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  • Yale 8800 Series PBCN8801FL Mortise Lock Trim Pack Yale 8800 Series PBCN8801FL Mortise Lock Trim Pack
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    Yale 8800 Series PBCN8801FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    Yale's 8800 Series mortise lock trim pack delivers commercial-grade security for interior and exterior doors in offices, schools, and institutional buildings. The PBCN8801FL features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant...
    Qty in Cart: 0
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    Price:
    MSRP: $801.00
    $470.33
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  • Yale 8800 Series AUCN8812-2FL Mortise Lock, 2-3/4" Backset Yale 8800 Series AUCN8812-2FL Mortise Lock, 2-3/4" Backset
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    Yale 8800 Series AUCN8812-2FL Mortise Lock, 2-3/4" Backset

    Yale/Accentra
    MSRP: $1,328.00
    $716.67
    The Yale 8800 Series mortise lock is a Grade 1 certified commercial-duty lock engineered for maximum security and durability across retail, office, and institutional applications. Its reinforced stainless steel deadbolt and heavy-duty, vandal-resistant...
    Qty in Cart: 0
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    Price:
    MSRP: $1,328.00
    $716.67
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  • Yale 8800 Series AUCN8834-2FL Mortise Lock Trim Pack Yale 8800 Series AUCN8834-2FL Mortise Lock Trim Pack
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    Yale 8800 Series AUCN8834-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for office buildings, retail spaces, and institutional facilities. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
  • Yale 8800 Series MOCN8835FL Mortise Lock Trim Pack Yale 8800 Series MOCN8835FL Mortise Lock Trim Pack
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    Yale 8800 Series MOCN8835FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security and durability for commercial doors. Designed for high-traffic applications, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
  • Yale 8800 Series MOR8818-2FL Mortise Lock, Satin Chrome Yale 8800 Series MOR8818-2FL Mortise Lock, Satin Chrome
    Quick view

    Yale 8800 Series MOR8818-2FL Mortise Lock, Satin Chrome

    Yale/Accentra
    MSRP: $1,305.00
    $706.23
    The Yale 8800 Series mortise lock is a commercial-grade entry solution for applications demanding strength and durability. Featuring a reinforced stainless steel deadbolt and ANSI/BHMA Grade 1 certification, it's built for high-traffic doors in offices,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,305.00
    $706.23
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  • Yale 8800 Series Mortise Lock PBCN8809FL 626 Yale 8800 Series Mortise Lock PBCN8809FL 626
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    Yale 8800 Series Mortise Lock PBCN8809FL 626

    Yale/Accentra
    MSRP: $1,195.00
    $659.25
    The Yale 8800 Series mortise lock delivers commercial-grade security for doors in offices, hospitals, schools and high-traffic facilities. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt and heavy-duty,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,195.00
    $659.25
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  • Yale 8861FL Mortise Lock, Grade 1, Satin Chrome Yale 8861FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8861FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8861FL is a commercial-grade mortise lock designed for high-security applications in offices, institutional buildings, and commercial facilities. Built with a reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, it delivers...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
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  • Yale 8847FL 626 Mortise Lock Trim Pack Yale 8847FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8847FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $801.00
    $470.33
    The Yale 8847FL 626 Trim Pack is a commercial-grade mortise lock assembly designed for doors requiring ANSI/BHMA Grade 1 security and durability. Built with reinforced stainless steel components and vandal-resistant trim, it suits office buildings,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $801.00
    $470.33
    Subtotal:
  • Yale Accentra 8860FL 626 Mortise Lock, Grade 1, Satin Chrome Yale Accentra 8860FL 626 Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale Accentra 8860FL 626 Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,209.00
    $665.42
    The Yale Accentra 8860FL 626 is a heavy-duty mortise lock built for commercial doors requiring maximum security and durability. Designed for applications demanding ANSI/BHMA Grade 1 performance, this lock features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,209.00
    $665.42
    Subtotal:
  • Yale 8800 MOR8807FL Mortise Lock, Stainless Steel, Grade 1 Yale 8800 MOR8807FL Mortise Lock, Stainless Steel, Grade 1
    Quick view

    Yale 8800 MOR8807FL Mortise Lock, Stainless Steel, Grade 1

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for high-traffic commercial doors. Built with reinforced stainless steel deadbolt and vandal-resistant trim, this lock handles demanding applications where strength and durability are...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,037.00
    $570.90
    Subtotal:
  • Yale 8800 JNR855FL 630 Mortise Lock, Grade 1 Yale 8800 JNR855FL 630 Mortise Lock, Grade 1
    Quick view

    Yale 8800 JNR855FL 630 Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $549.00
    $327.24
    The Yale 8800 Series JNR855FL 630 is a heavy-duty mortise lock built for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Featuring a reinforced stainless steel deadbolt, vandal-resistant trim, and UL/cUL fire rating up to 3 hours,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $549.00
    $327.24
    Subtotal:
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