Large Brass Box Locks for lift lid chests

Half Mortise Box Locks

• Sold each
• Strike Included
• Supplied with two malleable iron, nickel plated keys
• Material: Brass
• Finish: Sanded
• Includes brass wood screws for mounting.
• Keyhole-covers not-included as furniture style dictates keyhole-cover design
• Insert Escutcheons: #0242, #0237 or #0253  can be used with this lock

Half Mortise Box Locks are reproduced in a limited amount of sizes. Thus, exactly matching old locks is not always possible. Our entire lock collection is displayed on this site.

• Backset- Distance To Pin: 1-1/4" (31 mm)
• Overall: 3-1/2" x 2-3/16" (89 mm x 56 mm)
• Selvedge: 9/16" x 3-1/2"
• Key size: Barrel: 1/4" x 2", 2-5/8" Overall Length, Key-end Height: 1/2"

Brass Box Locks are heavy duty, half mortise style for large chests with lift lids. Excellent quality. Each is crafted of brass in England.  Use on large tool boxes and blanket chests.

When installing lock must be mortised into wood. Lock strike is attached underneath lid. When closing lid curved prongs of strike drop down into lock selvedge. Once installed the lock plate will create a smooth continuous surface on the interior of chest. Exterior of chest will only display keyhole.   

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.