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 MOR8860FL Mortise Lock Trim Pack Yale 8800 Series MOR8860FL Mortise Lock Trim Pack
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    Yale 8800 Series MOR8860FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series MOR8860FL is a Grade 1 mortise lock trim pack engineered for heavy-duty commercial doors. Built with reinforced stainless steel deadbolts and vandal-resistant trim, it solves security and durability needs in high-traffic office,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale AUR8867FL 626 Mortise Lock Trim Pack Yale AUR8867FL 626 Mortise Lock Trim Pack
    Quick view

    Yale AUR8867FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale AUR8867FL 626 trim pack is a heavy-duty mortise lock designed for commercial doors requiring ANSI/BHMA Grade 1 security and durability. This field-reversible lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and a...
    Qty in Cart: 0
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    Price:
    MSRP: $778.00
    $459.64
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  • Yale 8800 MOR8809FL Mortise Lock, 2-3/4" Backset, Grade 1 Yale 8800 MOR8809FL Mortise Lock, 2-3/4" Backset, Grade 1
    Quick view

    Yale 8800 MOR8809FL Mortise Lock, 2-3/4" Backset, Grade 1

    Yale/Accentra
    MSRP: $1,172.00
    $628.80
    The Yale 8800 Series MOR8809FL is a commercial-grade mortise lock engineered for demanding applications requiring uncompromising strength and durability. Ideal for office buildings, retail spaces, and institutional facilities, this ANSI/BHMA Grade 1...
    Qty in Cart: 0
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    MSRP: $1,172.00
    $628.80
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  • Yale 8862FL Mortise Lock, Grade 1, Satin Chrome Yale 8862FL Mortise Lock, Grade 1, Satin Chrome
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    Yale 8862FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,037.00
    $570.90
    The Yale 8862FL 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, it solves security...
    Qty in Cart: 0
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    Price:
    MSRP: $1,037.00
    $570.90
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  • Yale 8800 Series MOR8820FL Mortise Lock Trim Pack Yale 8800 Series MOR8820FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series MOR8820FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack is a commercial-grade security solution built for high-traffic doors in offices, schools, and institutional settings. Grade 1 ANSI/BHMA certified with reinforced stainless steel deadbolt and vandal-resistant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series AUR8860-2FL Mortise Lock Trim Pack, 626 Satin Chrome Yale 8800 Series AUR8860-2FL Mortise Lock Trim Pack, 626 Satin Chrome
    Quick view

    Yale 8800 Series AUR8860-2FL Mortise Lock Trim Pack, 626 Satin Chrome

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock is a commercial-grade entry solution for doors requiring ANSI/BHMA Grade 1 durability and security. Heavy-duty stainless steel construction with vandal-resistant trim protects against forced entry, making it ideal for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series MOR8822FL 626 Mortise Lock Yale 8800 Series MOR8822FL 626 Mortise Lock
    Quick view

    Yale 8800 Series MOR8822FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock 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 UL/cUL fire rating up to 3...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • Yale 8860FL 626 Mortise Lock Trim Pack Yale 8860FL 626 Mortise Lock Trim Pack
    Quick view

    Yale 8860FL 626 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8860FL 626 Trim Pack is a commercial-grade mortise lock designed for demanding applications requiring maximum strength and security. Built for doors up to 3.25 inches thick, this ANSI/BHMA Grade 1 certified lock features a reinforced stainless...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    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: $778.00
    $459.64
    The Yale 8800 Series PBR8860FL mortise lock trim pack delivers ANSI/BHMA Grade 1 security for demanding commercial applications. Built with reinforced stainless steel deadbolts and heavy-duty, vandal-resistant trim, this lock is engineered for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series PBR8865FL Mortise Lock Trim Pack Yale 8800 Series PBR8865FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PBR8865FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series mortise lock trim pack is a Grade 1 commercial lock designed for high-security interior and exterior doors. Heavy-duty stainless steel construction, field-reversible latchbolt, and vandal-resistant trim make this ideal for busy...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
  • Yale 8800 Series PBR8822FL 626 Mortise Lock Yale 8800 Series PBR8822FL 626 Mortise Lock
    Quick view

    Yale 8800 Series PBR8822FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock delivers commercial-grade security for doors requiring ANSI/BHMA Grade 1 certification. Designed for uncompromising strength and durability, this lock features a reinforced stainless steel deadbolt, heavy-duty...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
  • 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: $1,186.00
    $654.97
    The Yale 8800 Series mortise lock is a commercial-grade entrance lock built for high-traffic applications demanding uncompromising strength and durability. Featuring a reinforced stainless steel deadbolt and heavy-duty, vandal-resistant trim, it earns...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,186.00
    $654.97
    Subtotal:
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