Baldwin 8540 Lifetime Polished Brass Mortise Lock

- Item #: BCI980218

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Lifetime Polished Brass
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Configure your Baldwin 8540003 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 select 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

Our SKU: Baldwin 8540

This product is listed under the following manufacturer number(s):

  • 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

*Denotes a finish or option that has been discontinued

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.

Baldwin 8540 Reviews

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