Steel Half Mortise Box Lock, 1-3/8 inch Backset

Half Mortise Box Locks

Lock Size Backset- Distance To Pin: 1-3/8", 35 mm Overall: 3-1/8" W 2-1/16" H Selvedge: 9/16" x 3-1/8" Key size: Barrel:1/4" D x 1-5/8", 2-11/16" Overall Length, Key-bit Height: 9/16" Keyhole Cover: Keyhole-covers not-included as furniture style dictates keyhole-cover design Insert Escutcheons: #0242 (this just fits), #0237 or #0253 can be used with this lock

Finding an exact match for an old lock is not always possible, as only a limited amount of sizes are now  made.

Steel Box Locks, with German made locking mechanism, is a half mortise design, for chests and boxes with lift lids. Lock is mortised into interior of box front and strike attaches underneath lid. When closed, strike drops down into lock. Made In Germany

Replacing Box 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.

For help measuring and selecting antique furniture locks, we recommend reading: What you need to know about selecting and replacing half mortise locks.