Expert Advice - Competitive Prices - Dependable Quality


Your Cart is Empty

  • Lighting
  • 4437

    Full Mortise Lock, 3/4 inch

    For size and product information scroll down page.


    • How Sold: Each
    • Style: Transitional
    • Usually Ships In: 1-3 business days
    • Material: Brass & Steel
    • Finish: Natural
    • Includes: 2 Keys & Mounting Screws

    Full Mortise Lock

    Full Mortise Lock Measurement Diagram
    • Overall Lock Body: 2-1/16" width x 1-7/16" height
    • Backset: 3/4", 20 mm 
    • Selvedge: 3-3/8" x 1/2" - 12 mm x 85 mm
    • Bolt Projection: 5/16"
    • Lock Thickness: 5/16"
    • Key Measurements: Length 2-5/8", Barrel Diameter: 1/4", Barrel-length: 1-5/8", Key-bit Height: 9/16"

    Many lock sizes were made years ago. Few sizes are now made. Replacing old locks often requires cabinet work.

    More Drop In Locks
    Keyhole Covers

    For help measuring and selecting full mortise locks, we recommend reading: How to select, measure and install full mortise cabinet locks.

    Full Mortise Locks offer dependability and smooth action. These precision made furniture locks are produced in Germany. Each is expertly engineered. Use on drawers and cabinet doors.

    Full Mortise Locks are made to fit into a wood-pocket, in drawer top or door edge.  Once installed they are concealed with only selvedge and keyhole showing. Strikes not necessary and rarely used. Three key positions enable lock to secure drawers and left or right hand doors.  Use on applications where lock needs to be hidden. 

    Replacing Full Mortise Locks

    Keyhole location measurement is critical. Replacement lock-keyhole-location must match location of keyhole in furniture.

    To measure: easiest to measure old lock, if you have it:

    • Lock Keyhole Location: distance between selvedge-edge - where bolt shoots through, to lock pin. This measurement is known as the backset.
    • Furniture Keyhole Cutout Location: distance between furniture-edge to estimated location of lock pin in furniture keyhole.

    Customer Reviews

    Based on 5 reviews
    James Graue

    Perfect set back, small adjustments to the cabinet and better than new.

    David Neal
    Pure excellence!

    Need a lock for an antique chest and they had the perfect fit!! Could not be happier- highly recommend!!! Will buy from again-

    victor rossi

    Well made, the tongue of the lock retracted flush with the body of the lock with nice quality machining to the body of the lock. It did not come with a keeper plate (which was noted) I had to use ones from locks I had and modify it to fit the purpose. Wouldn't be a bad idea to, maybe, sell them separately. The lock was for new work and a keeper plate was needed. I liked that it was a door lock that worked both left and right hand unlike most drawer/door locks where they are handed only one way. They worked fine for my situation.

    Steve Gibson
    Item as described.

    Was a perfect fit. Would purchase items from Paxton again.

    Frank Schmidt
    Cabinet Lock Set

    Excellent quality and appearance. Had to expand the cutout for the larger size than the original.

    Net Orders Checkout

    Item Price Qty Total
    Subtotal $0.00

    Shipping Address

    Shipping Methods