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Item # 4448

Steel Box Lock, 1-3/8 inch Backset

Scroll down for additional Product Info and Size

Half Mortise Box Locks

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.

Product Info
  • Sold each
  • Includes: Strike & mounting screws
  • Material: Steel
  • Keyhole-covers not-included as style of keyhole-cover is dictated by furniture period. 
  • #0242 (this just fits)#0237 or #0253 Insert Escutcheons can be used with this lock

  • Size
  • When replacing locks: the backset is most crucial as it must match cutout in furniture for lock to line up correctly with existing keyhole
  • Backset- Distance To Pin: 1-3/8", 35mm
  • Overall: 3-1/8" W 2-1/16" H
  • Selvedge: 9/16" x 3-1/8"

  • 2 Decorative Brass Plated Keys
  • Made In Germany

  • Key:
  • Barrel:1/4" D x 1-5/8"
  • 2-11/16" Overall Length
  • Key-bit Height: 9/16"
  • Half Mortise Box Lock Information


    Half Mortise Locks are a popular style, frequently used on 18th, 19th and 20th century boxes and chests. Lock-mechanism fits into a cut out indentation inside box. Strike attached to underside of lift lid.  Lock-plate is only visible from box interior. Half Mortise Box Lock Measurement Information

    USE ON DRAWERS and DOORS

    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 half 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.

    MEASURING HALF MORTISE LOCKS:

    Before looking for a replacement it will be necessary to measure your lock.

    Please view diagram 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.

    INSTALLING HALF MORTISE LOCKS:

    Determine desired location of lock

    Adjust position to allow for location of keyhole as it is often off center in lock

    Mark location of lock on drawer or door interior

    Hold lock at desired location against drawer or door interior

    Selvedge edge should be level with top of drawer or edge of door

    Trace outline of lock on drawer or door interior

    Trace outline of selvedge on drawer top or door edge

    Inspect outline for accuracy , straighten lines where necessary

    Again holding lock in position, trace lock-body

    Cut shallow mortise for lock plate and selvedge with router or chisel

    Selvedge and lock-plate should be flush with the interior wood surface once installed

    Cut lock-body-mortise. Okay if off slightly as lock-plate will cover lock-body once installed. Be sure there is ample room for mounting screws to attach lock

    Strike plate with hooks is necessary for boxes and chests with lift lids

    Align strike on underside of lid

    Trace outline of strike in position

    Check strike alignment and make adjustments if necessary

    Screw into place

    Keyhole Placement

    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

    For a finished appearance: mount an  escutcheon/keyhole plate, on furniture front.

    If 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.

    When will my order ship?


    Orders normally leave our warehouse in 1 – 2 business days

    Ground delivery usually takes 3-5 business days depending upon your location. We ship out of Maryland

    Ground Shipping is Free on Orders over $99 to the 48 contiguous states, USA

    Low $6.95 flat-rate shipping for orders less than $99 to the 48 contiguous states, USA

    Air and International shipping is calculated according to carrier rates, box size and weight. Please call or email for assistance.

    Returns are accepted within 60 days of receipt for a full merchandise refund - your original payment method will be credited for the merchandise amount.


    If you need assistance, we are happy to help! 800-241-9741

    Monday – Friday 9:00 am – 5:00 pm Eastern Time

    Email: support@paxtonhardware.com

    Customer Reviews

    Based on 1 review
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    G
    G.A.
    Gem

    The lock mechanism is good quality and matched the old damaged antique lock almost perfectly.

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