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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  • 45HCAS622 BEST Mortise Lock 45HCAS622 BEST Mortise Lock
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    45HCAS622 BEST Mortise Lock

    BEST
    MSRP: $709.00
    $416.89
    The BEST 45HCAS622 is a heavy-duty mortise lock engineered for commercial and industrial doors where strength and reliability cannot be compromised. Its one-piece stainless steel latch delivers 50%...
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    Price:
    MSRP: $709.00
    $416.89
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  • BEST 45HCAS625 Mortise Lock, Stainless Steel Latch BEST 45HCAS625 Mortise Lock, Stainless Steel Latch
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    BEST 45HCAS625 Mortise Lock, Stainless Steel Latch

    BEST
    MSRP: $709.00
    $416.89
    The BEST 45H Series mortise lock delivers heavy-duty security for commercial and industrial doors. Featuring a solid stainless steel latch with 50% more strike contact, this lock provides superior...
    Qty in Cart: 0
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    Price:
    MSRP: $709.00
    $416.89
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  • BEST 45HCAL622 Series Mortise Lock, Stainless Steel BEST 45HCAL622 Series Mortise Lock, Stainless Steel
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    BEST 45HCAL622 Series Mortise Lock, Stainless Steel

    BEST
    MSRP: $709.00
    $416.89
    The BEST 45H Series Mortise Lock is a heavy-duty commercial security solution designed for facilities requiring maximum strength and dependability. Built with a solid one-piece stainless steel latch...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $709.00
    $416.89
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  • 45HCALT622 Best Mortise Lock 45HCALT622 Best Mortise Lock
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    45HCALT622 Best Mortise Lock

    BEST
    MSRP: $654.00
    $384.55
    The BEST 45H Series mortise lock delivers heavy-duty security for commercial and industrial doors. This durable lock combines a solid one-piece stainless steel latch with a roller bearing hub...
    Qty in Cart: 0
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    Price:
    MSRP: $654.00
    $384.55
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  • BEST 45HCATA619 Series Mortise Lock BEST 45HCATA619 Series Mortise Lock
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    BEST 45HCATA619 Series Mortise Lock

    BEST
    MSRP: $709.00
    $416.89
    The BEST 45H Series Mortise Lock is a heavy-duty commercial and industrial security solution designed for applications requiring strength and dependability. This durable mortise lock combines...
    Qty in Cart: 0
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    Price:
    MSRP: $709.00
    $416.89
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  • BEST 45HCATA613 Series Mortise Lock BEST 45HCATA613 Series Mortise Lock
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    BEST 45HCATA613 Series Mortise Lock

    BEST
    MSRP: $709.00
    $416.89
    The BEST 45H Series Mortise Lock is a heavy-duty commercial and industrial security solution designed for applications demanding superior strength and reliability. It features a solid one-piece...
    Qty in Cart: 0
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    Price:
    MSRP: $709.00
    $416.89
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  • Best 45HCAW606 Series Mortise Lock, Stainless Steel Best 45HCAW606 Series Mortise Lock, Stainless Steel
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    Best 45HCAW606 Series Mortise Lock, Stainless Steel

    BEST
    MSRP: $654.00
    $384.55
    The Best 45H Series Mortise Lock is a heavy-duty commercial mortise lock designed for applications demanding superior strength and reliable security. Built with a solid one-piece stainless steel...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $654.00
    $384.55
    Subtotal:
  • BEST 45H7BW15H613 Mortise Lock BEST 45H7BW15H613 Mortise Lock
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    BEST 45H7BW15H613 Mortise Lock

    BEST
    MSRP: $1,630.00
    $864.60
    BEST 45H7BW15H613 Mortise LockThe BEST 45H Series Mortise Lock has advanced features, improved functionality and unique versatility. This durable mortise lock is reliable and flexible in any...
    Qty in Cart: 0
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    MSRP: $1,630.00
    $864.60
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  • BEST 45H7IND15M613 Mortise Lock BEST 45H7IND15M613 Mortise Lock
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    BEST 45H7IND15M613 Mortise Lock

    BEST
    MSRP: $1,935.00
    $1,092.70
    BEST 45H7IND15M613 Mortise LockThe BEST 45H Series Mortise Lock has advanced features, improved functionality and unique versatility. This durable mortise lock is reliable and flexible in any...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,935.00
    $1,092.70
    Subtotal:
  • BEST 45H7IND15J606 Mortise Lock BEST 45H7IND15J606 Mortise Lock
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    BEST 45H7IND15J606 Mortise Lock

    BEST
    MSRP: $1,797.00
    $954.74
    BEST 45H7IND15J606 Mortise LockThe BEST 45H Series Mortise Lock has advanced features, improved functionality and unique versatility. This durable mortise lock is reliable and flexible in any...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,797.00
    $954.74
    Subtotal:
  • BEST 45H0LT15J613 Mortise Lock BEST 45H0LT15J613 Mortise Lock
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    BEST 45H0LT15J613 Mortise Lock

    BEST
    MSRP: $1,470.00
    $797.40
    BEST 45H0LT15J613 Mortise LockThe BEST 45H Series Mortise Lock has advanced features, improved functionality and unique versatility. This durable mortise lock is reliable and flexible in any...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,470.00
    $797.40
    Subtotal:
  • BEST 45H7A3H622 Mortise Lock BEST 45H7A3H622 Mortise Lock
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    BEST 45H7A3H622 Mortise Lock

    BEST
    MSRP: $1,526.00
    $820.92
    BEST 45H7A3H622 Mortise LockThe BEST 45H Series Mortise Lock has advanced features, improved functionality and unique versatility. This durable mortise lock is reliable and flexible in any commercial...
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,526.00
    $820.92
    Subtotal:
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