Full Mortise Furniture Locks, with a 1" backset, are used on both drawers and doors. The combination mechanism has two key positions enabling it to secure drawers and left or right hand doors. When installing lock is completely mortised into a pocket carved into drawer top or door side, only selvedge with bolt is exposed. The result is a smooth wood surface surrounding the lock body. German engineering and smooth action combine producing this well-made, dependable lock. Strikes are available but are not included as a strike is not necessary. Made in Germany.
Full Mortise Door and Drawer Locks, 1/2" backset
Full Mortise Door and Drawer Locks, 3/4" backset
Supplied with two Brass-plated Keys
Material: Brass selvedge with steel box
Wood screws for mounting included.
Keyhole-covers not-included as style of keyhole-cover is dictated by furniture period.
When replacing locks: the backset is most crucial as it must match cutout in furniture for lock to line up correctly with existing keyhole. Overall Lock Body: 2-1/16" width x 1-5/8" height
Backset-Distance To Pin: 1", 25 mm (Distance between: selvedge-edge of lock to center-of-pin in keyhole.)
Selvedge: 3-3/8" x 1/2" - 12 mm x 85 mm
Bolt Projection: 5/16"
Lock Thickness: 5/16"
Use Key-measurements to determine if key slips keyhole
Key Length 2-5/8", Barrel Diameter: 1/4", Barrel-length: 1-5/8", Key-bit Height: 9/16"
Full Mortise Lock Information
Full Mortise Locks are a popular style, Lock-mechanism fits into a pocket in wood, This style is often desired for it's minimalist appearance as only selvedge is visible on door/drawer edge.
USE ON DRAWERS, DOORS AND DESKS.
Drawer Locks were commonly used on drawers. Lock-bolt shoots up into case above drawer, a strike is rarely used.
Door Locks are handed meaning right-hand or left-hand. Please note: some full mortise locks are not available in both left and right options. When looking for door locks be sure lock is handed according to your needs.
- doors hinged on right - bolt shoots to the left.
- doors hinged on left - bolt shoots to the right.
Desk Locks were often used on roll top desks. These applications require a trap-door strike with the lock.
MEASURING HALF MORTISE LOCKS:
- Before looking for a replacement it will be necessary to measure your lock.
- Please view diagram below to determine how to measure your lock.
- The backset measurement, is the most important measurement, must match precisely.
- Once the backset measurement is determined you can look at your various options.
- If potential substitutes have different lock-body or lock-plate measurements cabinet work may be necessary to fit the lock.
FULL MORTISE INSTALLATION
Determine desired location of lock
- Adjust position to allow for location of keyhole as it is often off center in lock
- Lock should be positioned in middle of wood thickness, providing a wood edge around selvedge
- Mark location of lock-selvedge on door or drawer edge
- Hold lock-selvedge, at desired location, on wood thickness and trace outline
- Inspect outline for accuracy , straighten lines where necessary
- Mortise Selvedge
- Trace lock-body outline into selvedge-mortise at correct position
- Cut lock-body-mortise
- Mortise can be slightly off as selvedge will conceal lock-body once installed.
- Check lock with mortise, lock should sit in mortise with selvedge flush with wood surface
- Strikes are rarely use with reproduction full mortise locks. Traditionally a simple mortise was cut in the wood to accept the lock bolt.
- Measure distance from top of lock-plate to center of key pin
- Measure distance from side of lock-plate to center of key pin
- With these two measurements locate keyhole on furniture front, make sure key pin is aligned with keyhole location
- Drill small pilot hole at key pin location, hold lock in position and check to make sure hole lines up with key pin
- Drill hole larger to accommodate key barrel
- Mount lock in a mortised- pocket in wood thickness/edge
- Selvedge edge should be level with top of drawer or edge of door
- Attach with wood screws
- For a finished appearance: mount an escutcheon/keyhole plate, on furniture front.
Using Brass Wood Screws
Care is required when installing brass screws. While these screws are the best match for most antique hardware however they are not as strong as steel screws. The screw is easily damaged if the hole is not properly prepared.
The best practice is to first drill a pilot hole. Use a drill bit slightly smaller than the overall width of the screw, including threads, to drill the hole. Then use a steel screw, the same size as brass screw, to “cut threads” in pilot hole, by screwing steel screw into and then out of hole.
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