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 JNR8861FL 606 Mortise Lock Trim Pack Yale 8800 Series JNR8861FL 606 Mortise Lock Trim Pack
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    Yale 8800 Series JNR8861FL 606 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack delivers commercial-grade security for high-traffic doors in offices, hotels, and institutional buildings. This ANSI/BHMA Grade 1 certified lock features a reinforced stainless steel deadbolt, heavy-duty...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series JNR8830-2FL 606 Mortise Lock Trim Pack Yale 8800 Series JNR8830-2FL 606 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series JNR8830-2FL 606 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is a commercial-grade locking solution engineered for institutional, retail, and office buildings requiring ANSI/BHMA Grade 1 security and durability. This trim pack includes heavy-duty vandal-resistant trim and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series PNR8805FL Mortise Lock, Satin Brass Yale 8800 Series PNR8805FL Mortise Lock, Satin Brass
    Quick view

    Yale 8800 Series PNR8805FL Mortise Lock, Satin Brass

    Yale/Accentra
    MSRP: $1,369.00
    $732.81
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty deadbolt engineered for schools, offices, hospitals and multi-tenant buildings. Its reinforced stainless steel mechanism and vandal-resistant trim deliver uncompromising security and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,369.00
    $732.81
    Subtotal:
  • Yale 8800 PNR8802FL 606 Mortise Lock Yale 8800 PNR8802FL 606 Mortise Lock
    Quick view

    Yale 8800 PNR8802FL 606 Mortise Lock

    Yale/Accentra
    MSRP: $1,280.00
    $694.37
    The Yale 8800 Series PNR8802FL 606 is a commercial-grade mortise lock engineered for demanding applications requiring maximum strength and security. Designed for facilities managers, building owners, and contractors, this ANSI/BHMA Grade 1 certified lock...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,280.00
    $694.37
    Subtotal:
  • Yale 8800 Series CRCN8802FL Mortise Lock, Satin Stainless Yale 8800 Series CRCN8802FL Mortise Lock, Satin Stainless
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    Yale 8800 Series CRCN8802FL Mortise Lock, Satin Stainless

    Yale/Accentra
    MSRP: $1,117.00
    $605.55
    The Yale 8800 Series mortise lock delivers Grade 1 security for commercial doors requiring uncompromising strength. Designed for offices, retail, and institutional buildings, this lock combines a reinforced stainless steel deadbolt with vandal-resistant...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,117.00
    $605.55
    Subtotal:
  • Yale 8800 Series PNR8807FL Mortise Lock Trim Pack Yale 8800 Series PNR8807FL Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8807FL Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock trim pack is engineered for commercial doors requiring ANSI/BHMA Grade 1 security and durability. Featuring a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and UL/cUL fire-rating up to 3 hours,...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 AUCN8807FL Mortise Lock, Grade 1 Yale 8800 AUCN8807FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 AUCN8807FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,206.00
    $663.99
    The Yale 8800 Series mortise lock delivers uncompromising strength for commercial doors. Grade 1 certified and UL fire-rated up to 3 hours, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,206.00
    $663.99
    Subtotal:
  • Yale 8800 Series PNR8807FL Mortise Lock, Grade 1 Yale 8800 Series PNR8807FL Mortise Lock, Grade 1
    Quick view

    Yale 8800 Series PNR8807FL Mortise Lock, Grade 1

    Yale/Accentra
    MSRP: $1,369.00
    $732.81
    The Yale 8800 Series mortise lock is engineered for commercial doors requiring maximum security and durability. Featuring a reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, this ANSI/BHMA Grade 1 certified lock suits applications...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,369.00
    $732.81
    Subtotal:
  • Yale Accentra 8823FL 625 Mortise Lock Yale Accentra 8823FL 625 Mortise Lock
    Quick view

    Yale Accentra 8823FL 625 Mortise Lock

    Yale/Accentra
    MSRP: $1,236.00
    $676.81
    The Yale Accentra 8800 Series mortise lock delivers ANSI/BHMA Grade 1 certified security for commercial doors. Engineered for uncompromising strength, this lock features a reinforced stainless steel deadbolt, heavy-duty vandal-resistant trim, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,236.00
    $676.81
    Subtotal:
  • Yale 8800 Series PNR8805FL 605 Mortise Lock Trim Pack Yale 8800 Series PNR8805FL 605 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series PNR8805FL 605 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $991.00
    $562.45
    The Yale 8800 Series mortise lock is a Grade 1 commercial-duty lock built for high-traffic doors in offices, hospitals, schools, and government buildings. It delivers reinforced stainless steel deadbolts, vandal-resistant trim, and field-reversible...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $991.00
    $562.45
    Subtotal:
  • Yale 8800 Series CRR8832FL 625 Mortise Lock Trim Pack Yale 8800 Series CRR8832FL 625 Mortise Lock Trim Pack
    Quick view

    Yale 8800 Series CRR8832FL 625 Mortise Lock Trim Pack

    Yale/Accentra
    MSRP: $805.00
    $471.31
    The Yale 8800 Series mortise lock is a commercial-grade security solution for doors requiring ANSI/BHMA Grade 1 strength and durability. Designed for uncompromising performance in high-traffic applications, it features a reinforced stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $805.00
    $471.31
    Subtotal:
  • Yale 8800 PNR8802FL Mortise Lock, Grade 1, Stainless Steel Yale 8800 PNR8802FL Mortise Lock, Grade 1, Stainless Steel
    Quick view

    Yale 8800 PNR8802FL Mortise Lock, Grade 1, Stainless Steel

    Yale/Accentra
    MSRP: $1,280.00
    $694.37
    The Yale 8800 Series PNR8802FL mortise lock delivers ANSI/BHMA Grade 1 security for commercial doors. Built with a reinforced stainless steel deadbolt and heavy-duty vandal-resistant trim, this lock suits high-traffic entries, offices, and institutional...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,280.00
    $694.37
    Subtotal:
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