Baldwin 8540040

Satin Brass Mortise Lock

Item # BCI980225   |   Model # 8540040   |  Mortise Lock Collection

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Originally $145.00, Your Savings: 40%
Satin Brass
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Configure your Baldwin 8540040 Mortise Lock

  • Handing more info ►

    Certain products are Handed and require a Right or Left designation. When facing your door from the exterior side, whichever side that the hinges are on determines the handing.
    • Please Select One


Please choose a finish

$87.00 - $99.00

Small Case Mortise Lock

  • Reversible interior passage mortise lock with 2-1/2" backset
  • Knob x Knob
  • Cost effective alternative to Tubular Latch with Mortise Bolt
  • Quick and easy install on pre-prepared doors
  • Heavy guage steel case, solid forged brass interior working parts
  • Completely reversible for all door conditions
  • Turn Pieces and Emergency Release Trim must be ordered separately (Not included in price of lock)
  • Spindle not included

Privacy Function:

Latch bolt by knob either side. Deadbolt by turn piece inside and Emergency Key 0417 outside.

Steel Case:

0.625" x 3.375" x 3.75"


0.156" x 1" x 5.75". Adjustable for beveled conditions; finished to match.

Latch Bolt:

0.5" x 0.625" x 0.5" throw. Furnished in US4 and 26D finishes to match trim.

Hub Size:

0.29". Broached on the diamond.




Knob hub to turn piece: 2.25"


Specially-designed curved lip strike is fully reversible (non-handed); available in 1.25" Lip to Center dimension only

Dust Box:

Box is furnished unattached; conceals installation marks and cutouts


One in a box with a strike, dustbox, and fasteners.

Ordering Instructions:

Locks are supplied as illustrated in left column. To install as illustrated in right column, specify the OPPOSITE HAND OF THE DOOR

Additional Baldwin Links

This Baldwin item can also be referenced by the following color/finish specific model #:

  • Baldwin 8540038*
    Aged Brass
  • Baldwin 8540151
    Antique Nickel
  • Baldwin 8540003
    Lifetime Polished Brass
  • Baldwin 8540055
    Lifetime Polished Nickel
  • Baldwin 8540056
    Lifetime Satin Nickel
  • Baldwin 8540102
    Oil Rubbed Bronze
  • Baldwin 8540030
    Polished Brass
  • Baldwin 8540260
    Polished Chrome
  • Baldwin 8540190
    Satin Black
  • Baldwin 8540040
    Satin Brass
  • Baldwin 8540050
    Satin Brass and Black
  • Baldwin 8540060
    Satin Brass and Brown
  • Baldwin 8540264
    Satin Chrome
  • Baldwin 8540150
    Satin Nickel
  • Baldwin 8540112
    Venetian Bronze

*Discontinued model or finish

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Manufacturer Resources

Installation Resource Center

Whether you are installing the product yourself or hiring a professional, our installation Resource Center has everything you need to get your project done. Visit the Installation Resource Center to get started.

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