Large Box Lock for lift lid chests

Brass Box Lock is a large heavy duty, half mortise style for  lift lid chests and trunks.  Use on large tool boxes and blanket chests. Once installed, lock is hidden from exterior view

This half mortise style is for lift lids. It fits into a partial cut out pocket in box interior. Strike attaches underneath surface of lid. When lid is closed, strike drops down into lock. Key turns one lever mechanism to secure lid.  

Large Brass Box Lock for Lift Lids

• Backset-Distance To Pin: 1-1/4" (31 mm)
• If replacing an old lock, BACKSET SIZE is critical, as keyhole in lock and furniture must line up together.
• Overall: 3-1/2" x 2-3/16" (89 mm x 58 mm))
• Selvedge: 9/16" x 3-1/2"
• Keyhole-covers not-included as furniture style dictates keyhole-cover design
• Key Barrel: 3/16" x 2"
• Key-bit Height: 9/16"

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

This large, heavy duty lock is crafted with durability in mind. It is expertly constructed with a brass face plate and strike. The lock body and locking mechanism is steel.  Lock box is riveted to the faceplate. Made in England.

Install Considerations

Suggested reading: Select & replace half mortise lock

• Install this half mortise lock into a partial cut out on furniture interior. In closed position, lock is not seen.
• Strike attaches underneath surface of lid.
• If replacing an old lock: measure distance between top edge of lock to lock pin in center of keyhole. This measurement is known as the backset.