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 PNR8860-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8860-2FL Mortise Lock Trim Pack
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    Yale 8800 Series PNR8860-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack is a Grade 1 commercial-duty solution for businesses and building managers seeking uncompromising strength and security. Its reinforced stainless steel deadbolt, vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series JNR8847FL Mortise Lock Trim Pack Yale 8800 Series JNR8847FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8847FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack is a heavy-duty commercial solution for doors requiring ANSI/BHMA Grade 1 security and durability. Designed for uncompromising strength, this reinforced stainless steel lock features a vandal-resistant trim and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series JNR8867FL Mortise Lock Trim Pack 626 Yale 8800 Series JNR8867FL Mortise Lock Trim Pack 626
    Quick view

    Yale 8800 Series JNR8867FL Mortise Lock Trim Pack 626

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel components and heavy-duty, vandal-resistant trim, this lock system solves durability challenges in high-traffic...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series PNR8860-2FL 626 Mortise Lock Yale 8800 Series PNR8860-2FL 626 Mortise Lock
    Quick view

    Yale 8800 Series PNR8860-2FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,491.00
    $815.49
    The Yale 8800 Series mortise lock is a heavy-duty commercial grade lock designed for doors requiring uncompromising strength and security. Built with a reinforced stainless steel deadbolt and vandal-resistant trim, it solves the need for ANSI/BHMA Grade...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,491.00
    $815.49
    Subtotal:
  • Yale 8800 PNR8822FL 626 Mortise Lock Yale 8800 PNR8822FL 626 Mortise Lock
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    Yale 8800 PNR8822FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,372.00
    $734.23
    The Yale 8800 Series mortise lock delivers uncompromising strength and durability for commercial applications. Built with a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1 certification, this lock protects...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,372.00
    $734.23
    Subtotal:
  • Yale 8800 JNR8867FL 626 Mortise Lock Yale 8800 JNR8867FL 626 Mortise Lock
    Quick view

    Yale 8800 JNR8867FL 626 Mortise Lock

    Yale/Accentra
    MSRP: $1,372.00
    $734.23
    The Yale 8800 Series mortise lock delivers uncompromising strength for demanding commercial applications. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and ANSI/BHMA Grade 1 certification, this lock is engineered for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,372.00
    $734.23
    Subtotal:
  • Yale 8800 Series PNR8811-2FL Mortise Lock Trim Pack Yale 8800 Series PNR8811-2FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8811-2FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series PNR8811-2FL is a heavy-duty mortise lock trim pack designed for commercial doors requiring ANSI/BHMA Grade 1 security and durability. This lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 JNR8830-2FL Mortise Lock, 626 Finish Yale 8800 JNR8830-2FL Mortise Lock, 626 Finish
    Quick view

    Yale 8800 JNR8830-2FL Mortise Lock, 626 Finish

    Yale/Accentra
    MSRP: $1,461.00
    $802.68
    The Yale 8800 Series JNR8830-2FL is a commercial-grade mortise lock engineered for high-security applications requiring ANSI/BHMA Grade 1 durability. Ideal for office buildings, healthcare facilities, and institutional settings, this lock delivers...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,461.00
    $802.68
    Subtotal:
  • Yale 8800 PNR8809FL Mortise Lock, Grade 1, Satin Chrome Yale 8800 PNR8809FL Mortise Lock, Grade 1, Satin Chrome
    Quick view

    Yale 8800 PNR8809FL Mortise Lock, Grade 1, Satin Chrome

    Yale/Accentra
    MSRP: $1,358.00
    $728.06
    The Yale 8800 Series PNR8809FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors requiring uncompromising strength and durability. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,358.00
    $728.06
    Subtotal:
  • Yale 8833FL 626 Mortise Lock, Grade 1, Stainless Steel Yale 8833FL 626 Mortise Lock, Grade 1, Stainless Steel
    Quick view

    Yale 8833FL 626 Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $1,156.00
    $622.16
    The Yale 8833FL mortise lock is a heavy-duty, Grade 1 certified lock designed for high-traffic commercial doors requiring maximum security and durability. Built with reinforced stainless steel deadbolt and vandal-resistant trim, it solves the need for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,156.00
    $622.16
    Subtotal:
  • Yale 8800 Series PNR8867FL Mortise Lock Trim Pack Yale 8800 Series PNR8867FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8867FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $964.00
    $550.79
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Designed for those who demand strength and durability, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $964.00
    $550.79
    Subtotal:
  • Yale 8800 Series CRR8833FL Mortise Lock Trim Pack Yale 8800 Series CRR8833FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8833FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $778.00
    $459.64
    The Yale 8800 Series CRR8833FL mortise lock trim pack delivers ANSI/BHMA Grade 1 security for demanding commercial applications. Built with reinforced stainless steel deadbolts and vandal-resistant trim, this lock solves the need for durable,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $778.00
    $459.64
    Subtotal:
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