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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  • Sargent 8227 WTP 26D Mortise Lock, Grade 2 Sargent 8227 WTP 26D Mortise Lock, Grade 2
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    Sargent 8227 WTP 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,686.00
    $908.12
    The Sargent 8227 WTP 26D is a heavy-duty mortise lock engineered for commercial and institutional doors requiring maximum security and durability. Exceeding ANSI/BHMA Grade 1 standards, it delivers unmatched strength for offices, hospitals, schools, and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,686.00
    $908.12
    Subtotal:
  • Sargent 8200 LNJ 26D Mortise Lock, Grade 2 Sargent 8200 LNJ 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8200 LNJ 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,614.00
    $857.88
    The Sargent 8200 LNJ 26D is a heavy-duty mortise lock engineered for commercial and institutional buildings demanding maximum security and durability. ANSI/BHMA Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds industry standards...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,614.00
    $857.88
    Subtotal:
  • Sargent 8227 LW1P 32D Mortise Lock Sargent 8227 LW1P 32D Mortise Lock
    Quick view

    Sargent 8227 LW1P 32D Mortise Lock

    Sargent
    MSRP: $1,817.00
    $963.14
    The Sargent 8227 LW1P 32D is a heavy-duty mortise lock engineered for commercial and institutional buildings requiring maximum security and durability. ANSI/BHMA Grade 2 certified and UL-cUL listed for three-hour fire doors, it exceeds industry standards...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,817.00
    $963.14
    Subtotal:
  • 60-8245 LE1P 26D Sargent Mortise Lock 60-8245 LE1P 26D Sargent Mortise Lock
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    60-8245 LE1P 26D Sargent Mortise Lock

    Sargent
    MSRP: $1,867.00
    $984.14
    The Sargent 8200 Series 60-8245 LE1P 26D is a heavy-duty mortise lock engineered for commercial and institutional facilities requiring maximum security and durability. Exceeding ANSI/BHMA Grade 2 standards, it delivers superior strength against...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,867.00
    $984.14
    Subtotal:
  • Sargent 8227 WTL 26D Mortise Lock, Grade 2 Sargent 8227 WTL 26D Mortise Lock, Grade 2
    Quick view

    Sargent 8227 WTL 26D Mortise Lock, Grade 2

    Sargent
    MSRP: $1,686.00
    $908.12
    The Sargent 8227 WTL 26D is a heavy-duty mortise lock built for maximum security and durability in commercial buildings. ANSI/BHMA Grade 2 certified and UL-listed for three-hour fire doors, it serves offices, hospitals, schools, and behavioral health...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,686.00
    $908.12
    Subtotal:
  • Sargent 8239 OA 26D RH Mortise Lock Sargent 8239 OA 26D RH Mortise Lock
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    Sargent 8239 OA 26D RH Mortise Lock

    Sargent
    MSRP: $1,910.00
    $1,082.20
    The Sargent 8239 is a heavy-duty mortise lock engineered for commercial facilities requiring maximum security and durability. Exceeding ANSI/BHMA Grade 1 standards, it delivers superior strength for offices, hospitals, schools, and behavioral health...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,910.00
    $1,082.20
    Subtotal:
  • TR-8237 LE1E 32D Sargent Mortise Lock TR-8237 LE1E 32D Sargent Mortise Lock
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    TR-8237 LE1E 32D Sargent Mortise Lock

    Sargent
    MSRP: $1,014.00
    $555.88
    The Sargent 8200 TR-8237 LE1E 32D is a heavy-duty mortise lock engineered for institutional and commercial facilities requiring maximum security and durability. Exceeding ANSI/BHMA Grade 1 standards, it delivers superior strength against forced entry and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,014.00
    $555.88
    Subtotal:
  • LC-8289 EL 26D Sargent Manufacturing Mortise Lock LC-8289 EL 26D Sargent Manufacturing Mortise Lock
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    LC-8289 EL 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,539.00
    $826.38
    LC-8289 EL 26D Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,539.00
    $826.38
    Subtotal:
  • LC-8248 LNL 26D Sargent Manufacturing Mortise Lock LC-8248 LNL 26D Sargent Manufacturing Mortise Lock
    Quick view

    LC-8248 LNL 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,548.00
    $830.16
    LC-8248 LNL 26D Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,548.00
    $830.16
    Subtotal:
  • LC-8289 LNP 26D Sargent Manufacturing Mortise Lock LC-8289 LNP 26D Sargent Manufacturing Mortise Lock
    Quick view

    LC-8289 LNP 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,539.00
    $826.38
    LC-8289 LNP 26D Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,539.00
    $826.38
    Subtotal:
  • LC-8290 LNA 26D LH Sargent Manufacturing Mortise Lock LC-8290 LNA 26D LH Sargent Manufacturing Mortise Lock
    Quick view

    LC-8290 LNA 26D LH Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,581.00
    $844.02
    LC-8290 LNA 26D LH Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,581.00
    $844.02
    Subtotal:
  • LC-8216 LNJ 26D Sargent Manufacturing Mortise Lock LC-8216 LNJ 26D Sargent Manufacturing Mortise Lock
    Quick view

    LC-8216 LNJ 26D Sargent Manufacturing Mortise Lock

    Sargent
    MSRP: $1,322.00
    $705.24
    LC-8216 LNJ 26D Sargent Manufacturing Mortise LockWhen it comes to strength and durability, SARGENT continues to set standards with the 8200 Mortise lock. The 8200 far surpasses ANSI/BHMA A156.13 Series 1000 Grade 1 standards, making it the strongest and...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,322.00
    $705.24
    Subtotal:
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