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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  • Corbin Russwin ML2010 DSM 626 LH Passage or Closet Mortise Lock DS Lever Corbin Russwin ML2010 DSM 626 LH Passage or Closet Mortise Lock DS Lever
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    Corbin Russwin ML2010 DSM 626 LH Passage or Closet Mortise Lock DS Lever

    Corbin Russwin
    MSRP: $1,377.00
    $728.34
    ML2010 DSM 626 LH Corbin Russwin Mortise Lock Passage or Closet Mortise Lock, DS Lever, M Escutcheon, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,377.00
    $728.34
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  • Corbin Russwin ML2010 CSB 630 M31 Passage or Closet Mortise Trim Pack CS Lever Corbin Russwin ML2010 CSB 630 M31 Passage or Closet Mortise Trim Pack CS Lever
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    Corbin Russwin ML2010 CSB 630 M31 Passage or Closet Mortise Trim Pack CS Lever

    Corbin Russwin
    MSRP: $1,252.00
    $675.84
    ML2010 CSB 630 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, CS Lever, B Rose, Satin Stainless Steel Finish: 630/US32D Series: ML2000 Series Mortise Locks Type: Locks,...
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    MSRP: $1,252.00
    $675.84
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  • Corbin Russwin ML2092 RWB 626 M31 Security Institution or Utility Mortise Trim Pack RW Lever Corbin Russwin ML2092 RWB 626 M31 Security Institution or Utility Mortise Trim Pack RW Lever
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    Corbin Russwin ML2092 RWB 626 M31 Security Institution or Utility Mortise Trim Pack RW Lever

    Corbin Russwin
    MSRP: $1,023.00
    $560.92
    ML2092 RWB 626 M31 Corbin Russwin Mortise Lock Security Institution or Utility Mortise Trim Pack, RW Lever, B Rose, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks,...
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    MSRP: $1,023.00
    $560.92
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  • Corbin Russwin ML2010 LSM 626 M31Passage or Closet Mortise Trim Pack LS Lever Corbin Russwin ML2010 LSM 626 M31Passage or Closet Mortise Trim Pack LS Lever
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    Corbin Russwin ML2010 LSM 626 M31Passage or Closet Mortise Trim Pack LS Lever

    Corbin Russwin
    MSRP: $1,159.00
    $616.78
    ML2010 LSM 626 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, LS Lever, M Escutcheon, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,159.00
    $616.78
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  • Corbin Russwin ML2010 LWF 626 M31 Passage or Closet Mortise Trim Pack LW Lever Corbin Russwin ML2010 LWF 626 M31 Passage or Closet Mortise Trim Pack LW Lever
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    Corbin Russwin ML2010 LWF 626 M31 Passage or Closet Mortise Trim Pack LW Lever

    Corbin Russwin
    MSRP: $1,047.00
    $569.74
    ML2010 LWF 626 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, LW Lever, F Rose, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,047.00
    $569.74
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  • Corbin Russwin ML2010 NSB 630 M31 Passage or Closet Mortise Trim Pack NS Lever Corbin Russwin ML2010 NSB 630 M31 Passage or Closet Mortise Trim Pack NS Lever
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    Corbin Russwin ML2010 NSB 630 M31 Passage or Closet Mortise Trim Pack NS Lever

    Corbin Russwin
    MSRP: $1,252.00
    $675.84
    ML2010 NSB 630 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, NS Lever, B Rose, Satin Stainless Steel Finish: 630/US32D Series: ML2000 Series Mortise Locks Type: Locks,...
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    MSRP: $1,252.00
    $675.84
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  • Corbin Russwin ML2010 ESM 626 M31 Passage or Closet Mortise Trim Pack ES Lever M Escutcheon Corbin Russwin ML2010 ESM 626 M31 Passage or Closet Mortise Trim Pack ES Lever M Escutcheon
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    Corbin Russwin ML2010 ESM 626 M31 Passage or Closet Mortise Trim Pack ES Lever M Escutcheon

    Corbin Russwin
    MSRP: $1,248.00
    $681.08
    ML2010 ESM 626 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, ES Lever, M Escutcheon, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,248.00
    $681.08
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  • Corbin Russwin ML2010 NSR 626 M31 Passage or Closet Mortise Trim Pack NS Lever Corbin Russwin ML2010 NSR 626 M31 Passage or Closet Mortise Trim Pack NS Lever
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    Corbin Russwin ML2010 NSR 626 M31 Passage or Closet Mortise Trim Pack NS Lever

    Corbin Russwin
    MSRP: $1,197.00
    $659.25
    ML2010 NSR 626 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, NS Lever, R Escutcheon, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders,...
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    MSRP: $1,197.00
    $659.25
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  • Corbin Russwin ML2010 LWA 626 M31 Passage or Closet Mortise Trim Pack LW Lever Corbin Russwin ML2010 LWA 626 M31 Passage or Closet Mortise Trim Pack LW Lever
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    Corbin Russwin ML2010 LWA 626 M31 Passage or Closet Mortise Trim Pack LW Lever

    Corbin Russwin
    MSRP: $959.00
    $532.78
    ML2010 LWA 626 M31 Corbin Russwin Mortise Lock Passage or Closet Mortise Trim Pack, LW Lever, A Rose, Satin Chrome Finish: 626/US26D ...
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    MSRP: $959.00
    $532.78
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  • Corbin Russwin ML2022 LSB 630 M31 Store Door Mortise Trim Pack LS Lever Corbin Russwin ML2022 LSB 630 M31 Store Door Mortise Trim Pack LS Lever
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    Corbin Russwin ML2022 LSB 630 M31 Store Door Mortise Trim Pack LS Lever

    Corbin Russwin
    MSRP: $1,119.00
    $600.40
    ML2022 LSB 630 M31 Corbin Russwin Mortise Lock Store Door Mortise Trim Pack, LS Lever, B Rose, Satin Stainless Steel Finish: 630/US32D ...
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    MSRP: $1,119.00
    $600.40
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  • Corbin Russwin ML2022 LSF 626 Store Door Mortise Lock LS Lever F Rose Corbin Russwin ML2022 LSF 626 Store Door Mortise Lock LS Lever F Rose
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    Corbin Russwin ML2022 LSF 626 Store Door Mortise Lock LS Lever F Rose

    Corbin Russwin
    MSRP: $1,753.00
    $936.26
    ML2022 LSF 626 Corbin Russwin Mortise Lock Store Door Mortise Lock, LS Lever, F Rose, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks, Cylinders, Cores, Keyblanks Sub...
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    MSRP: $1,753.00
    $936.26
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  • Corbin Russwin ML2022 LWA 626 CL6 Store Door Mortise Lock LW Lever A Rose Corbin Russwin ML2022 LWA 626 CL6 Store Door Mortise Lock LW Lever A Rose
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    Corbin Russwin ML2022 LWA 626 CL6 Store Door Mortise Lock LW Lever A Rose

    Corbin Russwin
    MSRP: $1,579.00
    $843.18
    ML2022 LWA 626 CL6 Corbin Russwin Mortise Lock Store Door Mortise Lock, LW Lever, A Rose, 6-Pin LFIC Less Core, Satin Chrome Finish: 626/US26D Series: ML2000 Series Mortise Locks Type: Locks,...
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    MSRP: $1,579.00
    $843.18
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