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 Accentra JNR8860FL 605 Mortise Lock Yale Accentra JNR8860FL 605 Mortise Lock
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    Yale Accentra JNR8860FL 605 Mortise Lock

    Yale/Accentra
    MSRP: $1,399.00
    $745.62
    The Yale Accentra JNR8860FL 605 is a Grade 1 mortise lock engineered for demanding commercial applications requiring maximum strength and security. Featuring a reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, this lock delivers...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,399.00
    $745.62
    Subtotal:
  • Yale 8800 Series CRR8860FL Mortise Lock Trim Pack Yale 8800 Series CRR8860FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8860FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series CRR8860FL mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Built with reinforced stainless steel components and vandal-resistant design, this heavy-duty lock handles high-traffic applications in...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series CRR8861FL Mortise Lock Trim Pack Yale 8800 Series CRR8861FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8861FL 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 requiring uncompromising strength and durability. Ideal for high-traffic facilities, this reinforced stainless steel deadbolt system resists vandalism...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series JNR8860FL Mortise Lock Trim Pack Yale 8800 Series JNR8860FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8860FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for doors requiring ANSI/BHMA Grade 1 certification. Designed for high-traffic commercial applications, this lock features a reinforced stainless steel deadbolt,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series JNR8832FL 612 Mortise Lock Trim Pack Yale 8800 Series JNR8832FL 612 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8832FL 612 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack delivers ANSI/BHMA Grade 1 security for commercial doors. Designed for uncompromising 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 CRR8862FL Mortise Lock Trim Pack Yale 8800 Series CRR8862FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8862FL 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 offices, retail, hospitality and institutional buildings requiring ANSI/BHMA certified security. Field-reversible handing, reinforced stainless steel deadbolt, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 Series JNR8867FL Mortise Lock, Satin Brass Yale 8800 Series JNR8867FL Mortise Lock, Satin Brass
    Quick view

    Yale 8800 Series JNR8867FL Mortise Lock, Satin Brass

    Yale/Accentra
    MSRP: $1,399.00
    $745.62
    The Yale 8800 Series mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Designed for uncompromising strength, this lock features a reinforced stainless steel deadbolt, vandal-resistant trim, and heavy-duty construction. Ideal for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,399.00
    $745.62
    Subtotal:
  • Yale 8800 Series CRR8832FL Mortise Lock Trim Pack Yale 8800 Series CRR8832FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8832FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series CRR8832FL 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: $805.00
    $471.31
    Subtotal:
  • Yale 8800 JNR8867FL Mortise Lock, Grade 1 Yale 8800 JNR8867FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 JNR8867FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,399.00
    $745.62
    The Yale 8800 Series JNR8867FL mortise lock delivers ANSI/BHMA Grade 1 security for demanding commercial environments. Built with a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible design, it solves the need for...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,399.00
    $745.62
    Subtotal:
  • Yale 8800 Series CRR8864FL Mortise Lock, Grade 1 Yale 8800 Series CRR8864FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series CRR8864FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,412.00
    $780.84
    The Yale 8800 Series mortise lock is a heavy-duty commercial locking solution designed for doors requiring ANSI/BHMA Grade 1 certification. Built with a reinforced stainless steel deadbolt and vandal-resistant trim, it solves security and durability...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,412.00
    $780.84
    Subtotal:
  • Yale 8800 Series JNR8867FL Mortise Lock Trim Pack Yale 8800 Series JNR8867FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8867FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack is heavy-duty commercial hardware engineered for maximum strength and security. Ideal for high-traffic doors in offices, hospitals, and institutional buildings, this Grade 1 certified lock resists vandalism and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • CRR8861FL 606 Yale Mortise Lock CRR8861FL 606 Yale Mortise Lock
    Quick view

    CRR8861FL 606 Yale Mortise Lock

    Yale/Accentra
    MSRP: $1,213.00
    $666.36
    The Yale CRR8861FL 606 is a Grade 1 mortise lock built for high-security commercial doors. Designed for uncompromising strength and durability, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,213.00
    $666.36
    Subtotal:
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