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Too long backset on new Door Knob for older home's door

My 1955 home has an original dooor that I can't make my brand new door knob set fit into, bacause the new backset is 2 3/8th. The cylindualar mechanism doesn't go in far enough and the old cylindular mechanism is much shorter in length. What to do here, please. Don't want to drill the hole farther on the right because it will not be covered my the outer knob. Are there shorter backsets that I could find somewhere?

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  • marthacastle May 21, 2009

    I too have a 1950s home and just removed a Schlage lever knob only to find that the backset is 1 3/4" (even the knob hole is a small 1 1/2").

    Sadly the door is a french type with glass panes near the knob... so I can't relocate the hole further inward.

    Any ideas?

  • johnc839 May 11, 2010

    Do you know the backset on the door. (edge of door to center of hole)? Manufacturer of new lock set

  • leslie Apr 24, 2013

    Yes, Schlage residential knobs and levers come with adjustable backsets for 2 3/4 or 2 3/8. If you need to order knobs for the french doors please check consider us at



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You can get a variety of backsets at a GOOD door/ window company.
You may also want to look closely at the lock bolt again, because some of them come with a backset adjuster. Some of the Schlage and Kwiksets will allow you to twist the barrel and change the backset...

Posted on Jun 19, 2009


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True T-49 refrigerator/freezer temperature calibration

Contact the manufacture, it is most likely going to be covered under warranty. If the knob is not removable, (check for a set screw on the side of the knob it will take a small allen wrench) Then the thermostat (temp controller) will need to be replaced, if it isn't a style that you can calibrate.

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Replacing door knob need short backset

There are locks with short backsets, but Kwikset doesn't make them. If your door has such a narrow stile that you cannot put a household duty lock into it, you are probably not interested in security, so anything you can find will do the job. Look online for locks for French windows or patio doors.

If you are interested in security, then check out Adams Rite locks, which are used in narrow stile aluminum storefront doors, but they also make some for wood doors.

If you are replacing a very old lock and your style is big enough for a 2-3/8" backset lock, then do it right and treat it like a new installation. Use a jig that can hold the hole saw in the right place, use a router to cut away trim that will get in the way of the lock, and install a modern lockset.

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You can shake front door when locked and the door is loose not tight

It sounds like the distance between the lock in the door and the strike plate in the door frame is barely enough to meet securely. Review the lock installation sheet because it MAY be possible to adjust the "backset" for your lock. You did not mention your brand of lock. For example,
Review Steps 1 & 2 of instructions for the Powerbolt:
Or watch this excellent installation video for the Schlage BE365, at about1:58 minutes into the video you will see how to adjust the backset:
Go to

Then click on "Installing your BE365 Keypad Deadbolt" video.

Many brands of lock have a similar backset adjustment, and you may have your set too short.
If yours is all ready set for the 2 3/4" backset, then you need some carpenter skills to close up the door gap.


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The screws that hold our doorknob don't hold the knob anymore.They have loose threads and the screws are already too short that they don't hold the knob anymore. Everytime we turn the knob and pull it to...

Get a tap and re-tap the threads to the next screw size up. Then get matching setscrews. You could put a bit of Loctite on the new screws to keep them secure. Use a FINE thread tap so you get more threads in the knob.

Another solution is to clean and fill old screw hole with metal filled epoxy. Let is dry and re-drill and re-tap to original thread. Devcon makes a filled epoxy as well as JB Weld.

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I am replacing my door knob and replacing it with similar lock door knob by Kwikset. I measured from the end of the door to the middle of the hole where the knob goes into which is 2 3/8". The problem...

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Honda Accord LX has bad temperature control switch? I just got my A/C recharge with new freons and it is working. Before it was just blowing hot air when A/C is switch on and the A/C control knob turned to...

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How 2 instal a kwikset lock

  1. Step 1 Remove the cover plates, or roses, from around your doorknob handles. They are typically not fastened, so you will simply need to slide them away from the door using your hands. If they are on too tightly, try twisting them to loosen them up. Not all lock sets will have these plates, so don't worry if yours does not. They are simply for aesthetics.
  2. Step 2 Unscrew the two screws that are holding the lock in place. These will typically be on the inside of your home. You can dispose of these screws once they are removed as your new lock will come with appropriate fasteners.
  3. Step 3 Grasp one doorknob in each hand and slowly pull them apart until they are removed from the door.
  4. Step 4 You have an option to now remove and replace the backset (the piece that sticks out from the side of the door and catches in the striker plate). Purely optional unless the new lock is a different manufacturer and does not work with the new lock.
  5. Step 5 Remove your lock from the package. Make sure that the side with the keyhole (exterior door) is on the correct side of the door (outside of the home/room). Slide the two knobs together so that the spindles on one half of the lock connect with the holes on the other half. Push them toward the door until they are flush with the face of the door.
  6. Step 6 Install the two set screws that come with the lock. The location for these screws will be marked on the lock package.
  7. Step 7 Push the cover plates (roses) flush to the door to finish the installation. Not all lock sets will have these plates, so don't worry if yours does not. They are simply for aesthetics.
  8. I hope this helps and good luck.

Jul 27, 2009 | Hardware & Accessories

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