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 JNR8802FL Mortise Lock Trim Pack Yale 8800 Series JNR8802FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8802FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is a heavy-duty commercial door security solution for applications demanding ANSI/BHMA Grade 1 strength and durability. This trim pack features a reinforced stainless steel deadbolt, vandal-resistant hardware, and quick...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PBR8860FL Mortise Lock Trim Pack Yale 8800 Series PBR8860FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8860FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a heavy-duty commercial solution for interior and exterior doors requiring ANSI Grade 1 security and durability. This trim pack features a reinforced stainless steel deadbolt, field-reversible latchbolt, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 JNR8808FL 605 Mortise Lock, Stainless Steel Yale 8800 JNR8808FL 605 Mortise Lock, Stainless Steel
    Quick view

    Yale 8800 JNR8808FL 605 Mortise Lock, Stainless Steel

    Yale/Accentra
    MSRP: $1,369.00
    $732.81
    The Yale 8800 Series mortise lock delivers commercial-grade security for interior and exterior doors in offices, schools, and institutions. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,369.00
    $732.81
    Subtotal:
  • Yale 8800 Series PBR8860FL Mortise Lock Trim Pack Yale 8800 Series PBR8860FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8860FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series PBR8860FL is a heavy-duty mortise lock trim pack engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Ideal for high-traffic entrances, this stainless steel lock resists vandalism and delivers reliable...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 JNR8805FL Mortise Lock Trim Pack 605 Yale 8800 JNR8805FL Mortise Lock Trim Pack 605
    Quick view

    Yale 8800 JNR8805FL Mortise Lock Trim Pack 605

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series JNR8805FL mortise lock trim pack is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Field-reversible handing, reinforced stainless steel deadbolt, and vandal-resistant trim make this lock ideal...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PNR8817-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8817-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8817-2FL 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 facilities and building managers demanding uncompromising security and durability. This Grade 1 certified lock features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 JNR8809FL 605 Mortise Lock Trim Pack Yale 8800 JNR8809FL 605 Mortise Lock Trim Pack
    Quick view

    Yale 8800 JNR8809FL 605 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series JNR8809FL mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Engineered for strength and durability, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PNR8808-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8808-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8808-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is a heavy-duty commercial lock designed for maximum security and durability in high-traffic applications. Built with reinforced stainless steel components, vandal-resistant trim, and ANSI/BHMA Grade 1 certification, it...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 JNR8809FL Grade 1 Mortise Lock Yale 8800 JNR8809FL Grade 1 Mortise Lock
    Quick view

    Yale 8800 JNR8809FL Grade 1 Mortise Lock

    Yale/Accentra
    MSRP: $1,385.00
    $739.45
    The Yale 8800 JNR8809FL is a commercial-grade mortise lock built for high-security, high-traffic applications. Engineered for uncompromising strength and durability, it features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,385.00
    $739.45
    Subtotal:
  • Yale 8800 Series PBR8812-2FL Mortise Lock Trim Pack Yale 8800 Series PBR8812-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8812-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is built for commercial buildings requiring ANSI/BHMA Grade 1 security and durability. This trim pack works with 1-3/4" standard doors and features a reinforced stainless steel deadbolt, field-reversible latchbolt, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series JNR8812-2FL Mortise Lock Trim Pack Yale 8800 Series JNR8812-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8812-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. This trim pack suits applications from office buildings to retail environments where reinforced stainless steel construction and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PNR8817-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8817-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8817-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty solution for high-traffic doors requiring uncompromising security and durability. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, it solves the need for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
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